APA (7. basım) Alıntı

FRECHTLING DOUGLAS C. (2001). FORECASTING TOURISM DEMAND: METHODS AND STRATEGIES. BUTTERWORTH-HEINEMANN.

Chicago Style (17. basım) Atıf

FRECHTLING DOUGLAS C. FORECASTING TOURISM DEMAND: METHODS AND STRATEGIES. NEW DELHI: BUTTERWORTH-HEINEMANN, 2001.

MLA (9th ed.) Atıf

FRECHTLING DOUGLAS C. FORECASTING TOURISM DEMAND: METHODS AND STRATEGIES. BUTTERWORTH-HEINEMANN, 2001.