Παραπομπή APA

Wong, K. K. F., & Song, H. e. (2012). Tourism forecasting and marketing. Routledge.

Παραπομπή Chicago Style

Wong, Kevin K F., και Haiyan ed Song. Tourism Forecasting and Marketing. New York: Routledge, 2012.

Παραπομπή MLA

Wong, Kevin K F., και Haiyan ed Song. Tourism Forecasting and Marketing. Routledge, 2012.