APA aipamena

Molella. World's Fairs on the Eve of War. University of Pittsburgh Press.

Chicago Style aipamena

Molella. World's Fairs on the Eve of War. University of Pittsburgh Press.

MLA aipamena

Molella. World's Fairs on the Eve of War. University of Pittsburgh Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.