Dyfyniad APA

W J Burke. (1962). American authors and books 1640 to the present day. New York: Crown.

Dyfyniad Arddull Chicago

W J Burke. American Authors and Books 1640 to the Present Day. New York: Crown, 1962.

Dyfyniad MLA

W J Burke. American Authors and Books 1640 to the Present Day. New York: Crown, 1962.

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