Παραπομπή σε μορφή APA (7η εκδ.)

Cramp, S. (1997). Handbook of the birds of Europe the Middle East and North Africa: The birds of the Western Palearctic. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cramp, Stanley. Handbook of the Birds of Europe the Middle East and North Africa: The Birds of the Western Palearctic. Oxford: Oxford University Press, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cramp, Stanley. Handbook of the Birds of Europe the Middle East and North Africa: The Birds of the Western Palearctic. Oxford University Press, 1997.