APA aipamena

Jepson, T. (2012). National Geographic traveler: Italy (Fourth edition.). National Geographic Society.

Chicago Style aipamena

Jepson, Tim. National Geographic Traveler: Italy. Fourth edition. Washington, D.C: National Geographic Society, 2012.

MLA aipamena

Jepson, Tim. National Geographic Traveler: Italy. Fourth edition. National Geographic Society, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.