Davidson, R. (1994). Tourism (2nd.). Pitman.
Chicago-čujuhus (17. p.)Davidson, Rob. Tourism. 2nd. London: Pitman, 1994.
MLA-čujuhus (9. p.)Davidson, Rob. Tourism. 2nd. Pitman, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.