Singh, L. (2008). Fundamental of tourism and travel. Isha Books.
Chicago-čujuhus (17. p.)Singh, L.K. Fundamental of Tourism and Travel. Delhi: Isha Books, 2008.
MLA-čujuhus (9. p.)Singh, L.K. Fundamental of Tourism and Travel. Isha Books, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.