Dyfyniad APA

Ivory, M. (2010). National Geographic traveler: Germany (Third edition.). National Geographic Society.

Dyfyniad Arddull Chicago

Ivory, Michael. National Geographic Traveler: Germany. Third edition. Washington, D.C: National Geographic Society, 2010.

Dyfyniad MLA

Ivory, Michael. National Geographic Traveler: Germany. Third edition. National Geographic Society, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.