Não informado. (2007). Tourism and hospitality research. Henry Stewart Publications.
Chicago-referens (17:e uppl.)Não informado. Tourism and Hospitality Research. Birmingham, Ala: Henry Stewart Publications, 2007.
MLA-referens (8:e uppl.)Não informado. Tourism and Hospitality Research. Henry Stewart Publications, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.