APA aipamena

P. W. Skelton. (1998). Evolution: A biological and palaeontological approach. Addison Wesley.

Chicago Style aipamena

P. W. Skelton. Evolution: A Biological and Palaeontological Approach. Addison Wesley, 1998.

MLA aipamena

P. W. Skelton. Evolution: A Biological and Palaeontological Approach. Addison Wesley, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.