APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.