The phrase "an overseas source" is correct and usable in written English.
It can be used when referring to a supplier, information provider, or any entity located outside of the country in question.
Example: "The company decided to import materials from an overseas source to reduce costs."
Alternatives: "a foreign supplier" or "an international provider."
The security services missed an opportunity to identify the ringleader of the 7/7 terrorist attacks because a surveillance photograph of him which could have been shown to an overseas source was poorly copied.
For example, she said, if the Central Intelligence Agency told the bureau that an overseas source had provided a specific claim about a terrorist cell operating inside the United States, agents would immediately open a more intensive investigation rather than starting with an assessment.
The new information was first reported last night by ABC News, which said it had learned from several law enforcement agencies that an overseas source, which the network did not name, had provided information about suicide attacks being planned by Al Qaeda in the city.
One of my earliest boyfriends, for one, went to boarding school with boys who pooled their trust fund disbursements to establish a brisk hashish trade with an overseas source.
Agents of the United States Customs Service joined Thai authorities in raiding online pharmacies based in Thailand, which officials say is a major overseas source of powerful steroids, tranquilizers and other drugs that can be bought in the United States only with a prescription.
The Republican's second largest overseas source was Americans in China, nearly all from Hong Kong, for a total of $114,000; Mr. Obama raised only $39,000 there.
As a result, 10 sub-Saharan African countries included in the list were among the top 25 overseas source countries from which around 300 nurses and midwives were admitted to the Nursing and Midwifery Council (NMC) Register from April 2006 to 31 March 2007 [ 7].
By 1957 the company had begun refining oil and was importing crude oil from a variety of overseas sources.
As a result, residents of such countries often turn for information to foreign news outlets and overseas sources -- an avenue available today thanks to the internet.
"I think we also need to look at parliamentary rules on this so it's absolutely clear there has to be a declaration of income from overseas sources as well.
Walmart has been under pressure concerning its overseas sourcing because of a deadly fire in November in Bangladesh that killed more than 100 people at a factory used by Walmart suppliers.
