Seth, P. N., & Bhat, S. S. (1993). An Introduction to Travel and Tourism. Sterling Publishers Private Limited.
Cita Chicago (17th ed.)Seth, Pran Nath, i Sushma Seth Bhat. An Introduction to Travel and Tourism. New Delhi: Sterling Publishers Private Limited, 1993.
Cita MLA (9th ed.)Seth, Pran Nath, i Sushma Seth Bhat. An Introduction to Travel and Tourism. Sterling Publishers Private Limited, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.