ebrary, Inc, Kozak, N., & Kozak, M. (2013). Tourism research: An interdisciplinary perspective. Cambridge Scholars Pub..
Chicago-čujuhus (17. p.)ebrary, Inc, Nazmi Kozak, juo Metin Kozak. Tourism Research: An Interdisciplinary Perspective. Newcastle, Neb.: Cambridge Scholars Pub., 2013.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Tourism Research: An Interdisciplinary Perspective. Cambridge Scholars Pub., 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.