APA (7. basım) Alıntı

Edwards, A. D. (1979). International tourism development forecasts to 1990. Economist Intelligence Unit.

Chicago Style (17. basım) Atıf

Edwards, Anthony David. International Tourism Development Forecasts to 1990. London: Economist Intelligence Unit, 1979.

MLA (9th ed.) Atıf

Edwards, Anthony David. International Tourism Development Forecasts to 1990. Economist Intelligence Unit, 1979.