APA aipamena

Purves/Orians. (1987). The Science Of Biology. Sinauer Association Inc.

Chicago Style aipamena

Purves/Orians. The Science Of Biology. Sinauer Association Inc, 1987.

MLA aipamena

Purves/Orians. The Science Of Biology. Sinauer Association Inc, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.