APA引文

Negi,Jagmohan. (1990). Tourism and travel: Concepts and principles. Gitanjali Publishing House.

Chicago Edition Citation

Negi,Jagmohan. Tourism and Travel: Concepts and Principles. New Delhi: Gitanjali Publishing House, 1990.

MLA引文

Negi,Jagmohan. Tourism and Travel: Concepts and Principles. Gitanjali Publishing House, 1990.

警告：这些引文格式不一定是100％准确.