APA استشهاد

Wall, G., & Mathieson, A. (2006). Tourism: Change, impacts, and opportunities (2nd ed.). Pearson Prentice Hall.

استشهاد بنمط شيكاغو

Wall, Geoffrey, و Alister Mathieson. Tourism: Change, Impacts, and Opportunities. 2nd ed. Harlow: Pearson Prentice Hall, 2006.

MLA استشهاد

Wall, Geoffrey, و Alister Mathieson. Tourism: Change, Impacts, and Opportunities. 2nd ed. Pearson Prentice Hall, 2006.