Edwards, A. D. (1988). International tourism forecasts to 1999. Economist Intelligence Unit.
Chicago Style (17. basım) AtıfEdwards, Anthony David. International Tourism Forecasts to 1999. London: Economist Intelligence Unit, 1988.
MLA (9th ed.) AtıfEdwards, Anthony David. International Tourism Forecasts to 1999. Economist Intelligence Unit, 1988.
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