Παραπομπή APA

Tribe, J. (2014). The economics of recreation leisure and tourism (4th ed.). Routlege.

Παραπομπή Chicago Style

Tribe, John. The Economics of Recreation Leisure and Tourism. 4th ed. New York: Routlege, 2014.

Παραπομπή MLA

Tribe, John. The Economics of Recreation Leisure and Tourism. 4th ed. Routlege, 2014.