Sethi, P. (1999). Strategies for the future of travel and tourism. Rajat Publications.
Chicagoスタイル(17版)引用形式Sethi, Praveen. Strategies for the Future of Travel and Tourism. New Delhi: Rajat Publications, 1999.
MLA(9版)引用形式Sethi, Praveen. Strategies for the Future of Travel and Tourism. Rajat Publications, 1999.
警告: この引用は必ずしも正確ではありません.