Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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