APA aipamena

Rost, M. (2002). WorldView 4. New York: Longman.

Chicago Style aipamena

Rost, Michael. WorldView 4. New York: Longman, 2002.

MLA aipamena

Rost, Michael. WorldView 4. New York: Longman, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.