APA aipamena

Singer, B. (1980). The petting zoo. Raven Books.

Chicago Style aipamena

Singer, Brett. The Petting Zoo. London [etc.]: Raven Books, 1980.

MLA aipamena

Singer, Brett. The Petting Zoo. Raven Books, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.