APA-referens

Douglas C Frechiling. (2001). Forecasting tourism demand: Methods and strategies. Butterworth-Heinemann.

Chicago-stil citat

Douglas C Frechiling. Forecasting Tourism Demand: Methods and Strategies. Oxford: Butterworth-Heinemann, 2001.

MLA-referens

Douglas C Frechiling. Forecasting Tourism Demand: Methods and Strategies. Butterworth-Heinemann, 2001.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.