APA引文

John R Walker & Josielyn T Walker. (2011). Tourism: Concepts and practices (1st.). Pearson Education.

Chicago Edition Citation

John R Walker and Josielyn T Walker. Tourism: Concepts and Practices. 1st. India: Pearson Education, 2011.

MLA引文

John R Walker and Josielyn T Walker. Tourism: Concepts and Practices. 1st. Pearson Education, 2011.

警告：這些引文格式不一定是100％准確.