Tourism 1 : teacher's resource book.

MLA

Walker, Robin, and Keith Harding. Tourism 1 : Teacher's Resource Book. Oxford: Oxford University, 2006.

APA

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

Chicago

Walker, Robin, and Keith Harding. Tourism 1: Teacher's Resource Book. Oxford: Oxford University, 2006.