Negi, J. (2008). Travel agency operations: Concepts and principles. Kaniksha.
Chicago Edition CitationNegi, Jagmohan. Travel Agency Operations: Concepts and Principles. New Delhi: Kaniksha, 2008.
Cita MLANegi, Jagmohan. Travel Agency Operations: Concepts and Principles. Kaniksha, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.