Dyfyniad APA
(1989). The New York public library desk reference: A stonesong press book (ed.). The New York public Library and the stonesong press,Inc..
Dyfyniad Arddull Chicago
The New York Public Library Desk Reference: A Stonesong Press Book. ed. New York: The New York public Library and the stonesong press,Inc., 1989.
Dyfyniad MLA
The New York Public Library Desk Reference: A Stonesong Press Book. ed. The New York public Library and the stonesong press,Inc., 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.