Holden, A. (2000). Environment and tourism. Routledge.
Chicago-čujuhus (17. p.)Holden, Andrew. Environment and Tourism. London: Routledge, 2000.
MLA-čujuhus (9. p.)Holden, Andrew. Environment and Tourism. Routledge, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.