APA aipamena

Bonnette, D. E., & Johnson, W. Conditions of man.

Chicago Style aipamena

Bonnette, Dale E., and Willoughby Johnson. Conditions of Man.

MLA aipamena

Bonnette, Dale E., and Willoughby Johnson. Conditions of Man.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.