Seth, P. (1993). An introduction to travel and tourism 1993. Sterling pub.pvt.ltd.
Chicagoスタイル(17版)引用形式Seth, Prannath. An Introduction to Travel and Tourism 1993. New delhi: Sterling pub.pvt.ltd, 1993.
MLA(9版)引用形式Seth, Prannath. An Introduction to Travel and Tourism 1993. Sterling pub.pvt.ltd, 1993.
警告: この引用は必ずしも正確ではありません.