Cita APA

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

Citación estilo Chicago

Walker, Robin, y Keith Harding. Tourism 1: Student's Book. United Kingdom: Oxford University, 2006.

Cita MLA

Walker, Robin, y Keith Harding. Tourism 1: Student's Book. United Kingdom: Oxford University, 2006.

Precaución: Estas citas no son 100% exactas.