APA aipamena

BOLOGNA, G. (1978). Simon & Schuster's Guide To Birds Of The World By Gianfranco Bologna; Edited By John Bull. Simon & Schuster.

Chicago Style aipamena

BOLOGNA, Gianfranco. Simon & Schuster's Guide To Birds Of The World By Gianfranco Bologna; Edited By John Bull. Simon & Schuster, 1978.

MLA aipamena

BOLOGNA, Gianfranco. Simon & Schuster's Guide To Birds Of The World By Gianfranco Bologna; Edited By John Bull. Simon & Schuster, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.