Lee, I., Ong, Y. B., Wong, E. L. P., & School, N. B. (2008). Singapore as an incentive travel destination.
استشهاد بنمط شيكاغوLee, Irene., Yiing Bing Ong, Eleanor Li Peng Wong, و Nanyang Business School. Singapore As an Incentive Travel Destination. 2008.
MLA استشهادLee, Irene., Yiing Bing Ong, Eleanor Li Peng Wong, و Nanyang Business School. Singapore As an Incentive Travel Destination. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.