Brook, S. (2010). National Geographic traveler: Prague & the Czech Republic (Second edition.). National Geographic Society.
Chicago-referens (17:e uppl.)Brook, Stephen. National Geographic Traveler: Prague & the Czech Republic. Second edition. Washington, D.C: National Geographic Society, 2010.
MLA-referens (9:e uppl.)Brook, Stephen. National Geographic Traveler: Prague & the Czech Republic. Second edition. National Geographic Society, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.