APA aipamena

Envirnment. Vol.22, 1980. Cornelious W.Vahle.

Chicago Style aipamena

Envirnment. Vol.22, 1980. Washington: Cornelious W.Vahle.

MLA aipamena

Envirnment. Vol.22, 1980. Cornelious W.Vahle.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.