Cita APA (7th ed.)

Seth, P. (1993). An introduction to travel and tourism 1993. Sterling pub.pvt.ltd.

Cita Chicago (17th ed.)

Seth, Prannath. An Introduction to Travel and Tourism 1993. New delhi: Sterling pub.pvt.ltd, 1993.

Cita MLA (9th ed.)

Seth, Prannath. An Introduction to Travel and Tourism 1993. Sterling pub.pvt.ltd, 1993.