Singh, L. (2008). Marketing in service industry - airline, travel, tours and hotel. ISHA Books.
シカゴスタイル引用形Singh, L.K. Marketing in Service Industry - Airline, Travel, Tours and Hotel. New Delhi: ISHA Books, 2008.
MLA引用形式Singh, L.K. Marketing in Service Industry - Airline, Travel, Tours and Hotel. ISHA Books, 2008.
警告: この引用は必ずしも正確ではありません.