APA aipamena

Porter, D. (2007). Frommer's Rome. Hoboken: Wiley Publishing, Inc.

Chicago Style aipamena

Porter, Darwin. Frommer's Rome. Hoboken: Wiley Publishing, Inc, 2007.

MLA aipamena

Porter, Darwin. Frommer's Rome. Hoboken: Wiley Publishing, Inc, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.