APA-čujuhus (7. p.)
ebrary, Inc, & Long, R. A. (2008). Noninvasive survey methods for carnivores. Island Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Robert A. Long. Noninvasive Survey Methods for Carnivores. Washington, D.C.: Island Press, 2008.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Robert A. Long. Noninvasive Survey Methods for Carnivores. Island Press, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.