APA استشهاد

Tribe, J. A. (2011). The economics of recreation, leisure and tourism (4th ed.).

استشهاد بنمط شيكاغو

Tribe, John; Author. The Economics of Recreation, Leisure and Tourism. 4th ed. New York, Elsevier, 2011.

MLA استشهاد

Tribe, John; Author. The Economics of Recreation, Leisure and Tourism. 4th ed. 2011.