APA aipamena

Yalden, D. W., & Albarella, U. (2009). The history of British birds. Oxford University Press.

Chicago Style aipamena

Yalden, D. W., and Umberto Albarella. The History of British Birds. Oxford ; New York: Oxford University Press, 2009.

MLA aipamena

Yalden, D. W., and Umberto Albarella. The History of British Birds. Oxford University Press, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.