APA aipamena

World Book, Inc. (2015). The World Book encyclopedia. World Book, a Scott Fetzer Company.

Chicago Style aipamena

World Book, Inc. The World Book Encyclopedia. Chicago: World Book, a Scott Fetzer Company, 2015.

MLA aipamena

World Book, Inc. The World Book Encyclopedia. World Book, a Scott Fetzer Company, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.