Jepson, T. (2012). National Geographic traveler: Italy (Fourth edition.). National Geographic Society.
Citazione stile Chigago Style (17a edizione)Jepson, Tim. National Geographic Traveler: Italy. Fourth edition. Washington, D.C: National Geographic Society, 2012.
Citatione MLA (9a ed.)Jepson, Tim. National Geographic Traveler: Italy. Fourth edition. National Geographic Society, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.