APA aipamena

Rost, M. (2005). WorldView 4. New York: Pearson Education Limited.

Chicago Style aipamena

Rost, Michael. WorldView 4. New York: Pearson Education Limited, 2005.

MLA aipamena

Rost, Michael. WorldView 4. New York: Pearson Education Limited, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.