The phrase "as a dependable source" is correct and usable in written English.
You can use it when referring to someone or something that can be relied upon for accurate information or support.
Example: "The researcher was recognized as a dependable source for the latest findings in climate science."
Alternatives: "as a reliable source" or "as a trustworthy source."
If emerging economies regard the IMF as a dependable source of cash in a crisis, they might be less inclined to insure themselves against trouble by building up huge foreign-exchange reserves as many have done over the past decade.
For four decades, the three-story multifamily home has done its duty — serving for a time as a home for Mr. Gennaway and his wife and later as a dependable source of rental income when the couple moved out of the city.
Vast amounts of groundwater stored in the primary deep aquifers serve as a dependable source of water for the central and northern regions of Saudi Arabia, and, to a lesser extent, the other countries of the peninsula.
Did you have parents who were dependable sources of love for you, as well as who role-modeled accessing Spirit as a dependable source of love for themselves?
The other major part of their job is to role model accessing God/Spirit as a dependable source of love for themselves.
According to the biogeography of coral species gene flow cannot be counted on as a dependable source of adaptation as they are very stationary organisms.
In an administration in which so much has gone awry, Michelle Obama has become a dependable source of good news.
In the old days people bought long subscriptions for concerts, giving orchestras a dependable source of advance income.
Meanwhile, as the media in general adjusted to a new world of internet competitors, squeezed budgets, and recycled content, the papers became a dependable source of polemic for other outlets.
But it is also a handsome plant, a dependable source of cut flowers and very nearly unkillable.
