ebrary, Inc, & Singh, M. (2008). Tourism management and marketing. Himalaya Books Pvt. Ltd..
芝加哥风格引文ebrary, Inc, 与 Manpal Singh. Tourism Management and Marketing. Mumbai: Himalaya Books Pvt. Ltd., 2008.
MLA引文ebrary, Inc, 与 Manpal Singh. Tourism Management and Marketing. Himalaya Books Pvt. Ltd., 2008.
警告：这些引文格式不一定是100％准确.