APA-viite

Negi, J. (2008). Travel agency operations: Concepts and principles. Kaniksha.

Chicago-tyylinen lähdeviittaus

Negi, Jagmohan. Travel Agency Operations: Concepts and Principles. New Delhi: Kaniksha, 2008.

MLA-viite

Negi, Jagmohan. Travel Agency Operations: Concepts and Principles. Kaniksha, 2008.