APA aipamena

Abelson, A. E. (1976). Altitude and Fertility. Pennsylvania : EE.UU: Sussex.

Chicago Style aipamena

Abelson, Andrew E. Altitude and Fertility. Pennsylvania : EE.UU: Sussex, 1976.

MLA aipamena

Abelson, Andrew E. Altitude and Fertility. Pennsylvania : EE.UU: Sussex, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.