APA (7th ed.) Zitazioa

Sutherland, W. J. (1996). Ecological Census Techniques: A Handbook (2nd ed.). Cambridge University.

Chicago Style (17th ed.) Zitazioa

Sutherland, William J. Ecological Census Techniques: A Handbook. 2nd ed. Cambridge: Cambridge University, 1996.

MLA (9th ed.) Zitazioa

Sutherland, William J. Ecological Census Techniques: A Handbook. 2nd ed. Cambridge University, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.