APA aipamena

Peyrefitte, R. (1957). The keys of St. Peter. Secker & Warburg.

Chicago Style aipamena

Peyrefitte, Roger. The Keys of St. Peter. Lond.: Secker & Warburg, 1957.

MLA aipamena

Peyrefitte, Roger. The Keys of St. Peter. Secker & Warburg, 1957.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.