APA aipamena

Steve Parker. (2008). Great Junior Encyclopedia - Our World (2013.). Parragon Publication.

Chicago Style aipamena

Steve Parker. Great Junior Encyclopedia - Our World. 2013. Parragon Publication, 2008.

MLA aipamena

Steve Parker. Great Junior Encyclopedia - Our World. 2013. Parragon Publication, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.