Citazione Stile APA (7a Edizione)

Negi, J. (2005). Travel agency operations: Concepts and principles. Kaniskha Publishers.

Citazione stile Chigago Style (17a edizione)

Negi, Jagmohan. Travel Agency Operations: Concepts and Principles. New Delhi: Kaniskha Publishers, 2005.

Citatione MLA (9a ed.)

Negi, Jagmohan. Travel Agency Operations: Concepts and Principles. Kaniskha Publishers, 2005.