APA aipamena

(1997). Biological abstracts: Cumulative index. Philadelphia ( USA): BIOSIS.

Chicago Style aipamena

Biological Abstracts: Cumulative Index. Philadelphia ( USA): BIOSIS, 1997.

MLA aipamena

Biological Abstracts: Cumulative Index. Philadelphia ( USA): BIOSIS, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.