APA aipamena

Gale Research Inc. (1994). Encyclopedia of endangered species. Detroit: Gale Research.

Chicago Style aipamena

Gale Research Inc. Encyclopedia of Endangered Species. Detroit: Gale Research, 1994.

MLA aipamena

Gale Research Inc. Encyclopedia of Endangered Species. Detroit: Gale Research, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.