APA Zitierstil

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

Chicago Zitierstil

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

MLA Zitierstil

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

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.