APA استشهاد

Tribe,John. (2001). Economics of leisure and tourism (2.). Butterworth.

استشهاد بنمط شيكاغو

Tribe,John. Economics of Leisure and Tourism. 2. New Delhi: Butterworth, 2001.

MLA استشهاد

Tribe,John. Economics of Leisure and Tourism. 2. Butterworth, 2001.