Παραπομπή σε μορφή APA (7η εκδ.)

Pain, D. J., & Pienkowski, M. W. (1997). Farming and birds in Europe: The common agricultural policy and its implications for bird conservation. Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pain, Deborah J., και Michael W. Pienkowski. Farming and Birds in Europe: The Common Agricultural Policy and Its Implications for Bird Conservation. San Diego: Academic Press, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pain, Deborah J., και Michael W. Pienkowski. Farming and Birds in Europe: The Common Agricultural Policy and Its Implications for Bird Conservation. Academic Press, 1997.