Dyfyniad APA

Cheney, F. N. (1971). Fundamental reference sources. American Library Association.

Dyfyniad Arddull Chicago

Cheney, Frances Neel. Fundamental Reference Sources. American Library Association, 1971.

Dyfyniad MLA

Cheney, Frances Neel. Fundamental Reference Sources. American Library Association, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.