Dyfyniad APA

Barnes-Svarney, P. L. (1995). The New York Public Library science desk reference. Macmillan USA.

Dyfyniad Arddull Chicago

Barnes-Svarney, Patricia L. The New York Public Library Science Desk Reference. New York: Macmillan USA, 1995.

Dyfyniad MLA

Barnes-Svarney, Patricia L. The New York Public Library Science Desk Reference. Macmillan USA, 1995.

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