APA aipamena

(1954). The new pictorial encyclopedia of the world: A - Ark. New York: Pictorial Encyclopedia.

Chicago Style aipamena

The New Pictorial Encyclopedia of the World: A - Ark. New York: Pictorial Encyclopedia, 1954.

MLA aipamena

The New Pictorial Encyclopedia of the World: A - Ark. New York: Pictorial Encyclopedia, 1954.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.