Style de citation APA

Ashim Gupta. (2012). Travel agency and tour operations: Concepts and principles. Centrum Press.

Style de citation Chicago

Ashim Gupta. Travel Agency and Tour Operations: Concepts and Principles. New Delhi: Centrum Press, 2012.

Style de citation MLA

Ashim Gupta. Travel Agency and Tour Operations: Concepts and Principles. Centrum Press, 2012.

Attention : ces citations peuvent ne pas être correctes à 100%.