Παραπομπή APA

Hannam, K., & Knox, D. (2011). Understanding tourism: A critical introduction. Sage Publications.

Παραπομπή Chicago Style

Hannam, Kevin, και Dan Knox. Understanding Tourism: A Critical Introduction. London: Sage Publications, 2011.

Παραπομπή MLA

Hannam, Kevin, και Dan Knox. Understanding Tourism: A Critical Introduction. Sage Publications, 2011.