APA citiranje

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

Chicago Edition Citation

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

MLA citiranje

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