APA-čujuhus (7. p.)
ebrary, Inc, & Weaver, D. B. (2001). The encyclopedia of ecotourism. CABI Pub..
Chicago-čujuhus (17. p.)
ebrary, Inc, juo David B. Weaver. The Encyclopedia of Ecotourism. Oxon, UK ; New York, NY: CABI Pub., 2001.
MLA-čujuhus (9. p.)
ebrary, Inc, juo David B. Weaver. The Encyclopedia of Ecotourism. CABI Pub., 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.