APA aipamena

Pappalardo,Robert T. (2008). Europa. University of Arizona Press.

Chicago Style aipamena

Pappalardo,Robert T. Europa. University of Arizona Press, 2008.

MLA aipamena

Pappalardo,Robert T. Europa. University of Arizona Press, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.