The phrase "a mixture of sources" is correct and usable in written English.
It can be used when referring to a combination of different origins or references, such as in research or analysis.
Example: "The report was based on a mixture of sources, including academic articles, interviews, and online databases."
Alternatives: "a blend of sources" or "a combination of sources."
Many residential communities are exposed to environmental noise from a mixture of sources.
For these reasons a mixture of sources will be needed and the optimum choices will be different in different parts of the world.
The figures come from a mixture of sources, including data from freedom of information requests to 147 primary care trusts, which are supposed to conduct annual suicide audits.
In dress, as in the other applied arts, they drew their inspiration and knowledge from a mixture of sources, chiefly Greek and Middle Eastern.
The Finance Ministry said last weekend that it would use up to 10 billion euros from a mixture of sources — the National Pension Reserve Fund, private equity groups and existing shareholders — to bail out Irish banks.
Snoj put together the data using a mixture of sources and it is, almost inevitably, incomplete.
This wide spread of values could represent several distinct thermogenic and microbial gas sources, a mixture of different sources, and/or gases that have undergone alteration during migration.
Taken together, our results indicate that a variety of mobile sources contribute to ambient vehicle exhaust particles in the trucking industry, with EC representing mainly diesel sources and OC representing a mixture of mobile sources that depend on the work environment.
A mixture of starch sources may be used, with a secondary starch source, such as maize (corn), rice or sugar, often being termed an adjunct, especially when used as a lower-cost substitute for malted barley.
When this relatively benign model yeast is faced with a mixture of carbon sources it preferentially utilizes sugars such as glucose before assimilating alternative carbon sources (Johnston, 1999).
The signals collected by accelerometers are the result of a mixture of various sources each of which corresponds to operation of a component.
