Dyfyniad APA

(1955). World scope encyclopedia: A - Aviary. New York: World Scope Encyclopedia Corporation.

Dyfyniad Arddull Chicago

World Scope Encyclopedia: A - Aviary. New York: World Scope Encyclopedia Corporation, 1955.

Dyfyniad MLA

World Scope Encyclopedia: A - Aviary. New York: World Scope Encyclopedia Corporation, 1955.

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