Gu, Z. E. (2004). Management science applications in tourism and hospitality.
استشهاد بنمط شيكاغوGu, Zheng; Editor. Management Science Applications in Tourism and Hospitality. New York, The Haworth Hospitality Press, 2004.
MLA استشهادGu, Zheng; Editor. Management Science Applications in Tourism and Hospitality. 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.