APA aipamena

Gunther, J. (1938). Inside Europe. New York: Harper & Brothers.

Chicago Style aipamena

Gunther, John. Inside Europe. New York: Harper & Brothers, 1938.

MLA aipamena

Gunther, John. Inside Europe. New York: Harper & Brothers, 1938.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.