APA

Yu L., . (1999). The international hospitality business: management and operations. New York: The Haworth Hospitality Press.

Chicago

Yu Lawrence, . 1999. The international hospitality business: management and operations. New York: The Haworth Hospitality Press.

Harvard

Yu L., . (1999). The international hospitality business: management and operations. New York: The Haworth Hospitality Press.

MLA

Yu Lawrence, . The international hospitality business: management and operations. New York: The Haworth Hospitality Press. 1999.