APA aipamena

(1998). spelling: Chimpanzee. McGraw-Hill School Division.

Chicago Style aipamena

Spelling: Chimpanzee. McGraw-Hill School Division, 1998.

MLA aipamena

Spelling: Chimpanzee. McGraw-Hill School Division, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.