APA Alıntı

Walker, R., & Harding, K. (2006). Tourism 1 (Student's book). Oxford: Oxford University Press.

Chicago Stili Alıntı

Walker, Robin, ve Keith Harding. Tourism 1 (Student's Book). Oxford: Oxford University Press, 2006.

MLA Alıntı

Walker, Robin, ve Keith Harding. Tourism 1 (Student's Book). Oxford: Oxford University Press, 2006.