Cleverdon, R. (1979). The economic and social impact of international tourism on developing countries. The Economist Intelligence Unit.
Chicago-Zitierstil (17. Ausg.)Cleverdon, Robert. The Economic and Social Impact of International Tourism on Developing Countries. London: The Economist Intelligence Unit, 1979.
MLA-Zitierstil (9. Ausg.)Cleverdon, Robert. The Economic and Social Impact of International Tourism on Developing Countries. The Economist Intelligence Unit, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.