(1979). A review of the United Nations groundwater exploration and development programme in the developing countries: 1962 - 1977. United Nations.
Chicago-Zitierstil (17. Ausg.)A Review of the United Nations Groundwater Exploration and Development Programme in the Developing Countries: 1962 - 1977. New York: United Nations, 1979.
MLA-Zitierstil (9. Ausg.)A Review of the United Nations Groundwater Exploration and Development Programme in the Developing Countries: 1962 - 1977. United Nations, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.