APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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