HUDMAN LLOYD. (2003). GEOGRAPHY OF TRAVEL & TOURISM (4TH.). DELMAR CENGAGE LEARNING.
Chicago-čujuhus (17. p.)HUDMAN LLOYD. GEOGRAPHY OF TRAVEL & TOURISM. 4TH. USA: DELMAR CENGAGE LEARNING, 2003.
MLA-čujuhus (9. p.)HUDMAN LLOYD. GEOGRAPHY OF TRAVEL & TOURISM. 4TH. DELMAR CENGAGE LEARNING, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.