APA استشهاد

Walker, J. R. (2012). Exploring the hospitality industry (3rd ed.). Pearson.

استشهاد بنمط شيكاغو

Walker, John R. Exploring the Hospitality Industry. 3rd ed. Boston: Pearson, 2012.

MLA استشهاد

Walker, John R. Exploring the Hospitality Industry. 3rd ed. Pearson, 2012.