Παραπομπή APA

Coles, T., & Hall, C. M. (2008). International business and toursim: Global issues, contemporary interactions. Routledge.

Παραπομπή Chicago Style

Coles, Tim, και C. Michael Hall. International Business and Toursim: Global Issues, Contemporary Interactions. London and New York: Routledge, 2008.

Παραπομπή MLA

Coles, Tim, και C. Michael Hall. International Business and Toursim: Global Issues, Contemporary Interactions. Routledge, 2008.