reference source in a sentence

Examples

1. It is original research, and largely worthless as a reference source.
2. Other sites were noted for their excellence as reference sources.
3. Using referenced sources, information has been added to prove notability.
4. I've removed another negative reference sourced to a googlesearch ..
5. A footnote by the date indicates a third reference source.
6. The article uses person's own website as a reference source.
7. The referenced sources do not even relate to this article.
8. His 1979 monograph summarizing the state of the subject is a basic reference source.
9. The relevant article has extensively referenced sources for every quote.
10. Even today, church records stand as a main reference source.