APA citiranje

Walker, R., & Harding, K. (2009). Tourism: Student's book. New York: Oxford university Press.

Trích dẫn kiểu Chicago

Walker, Robin., và Keith Harding. Tourism: Student's Book. New York: Oxford university Press, 2009.

MLA citiranje

Walker, Robin., và Keith Harding. Tourism: Student's Book. New York: Oxford university Press, 2009.