Cita APA (7th ed.)

Edwards, A. (1992). International tourism forecasts to 2005. Economist Intelligence Unit.

Cita Chicago (17th ed.)

Edwards, Anthony. International Tourism Forecasts to 2005. London: Economist Intelligence Unit, 1992.

Cita MLA (9th ed.)

Edwards, Anthony. International Tourism Forecasts to 2005. Economist Intelligence Unit, 1992.