APA aipamena

Verma,R.P. (2012). Biogeography. Bhasker.

Chicago Style aipamena

Verma,R.P. Biogeography. Kanpur: Bhasker, 2012.

MLA aipamena

Verma,R.P. Biogeography. Bhasker, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.