(1979). Proceedings of the Workshop on Efficient Use and Maintenance of Irrigation Systems at the Farm Level in China. United Nations.
Chicago-Zitierstil (17. Ausg.)Proceedings of the Workshop on Efficient Use and Maintenance of Irrigation Systems at the Farm Level in China. New York: United Nations, 1979.
MLA-Zitierstil (9. Ausg.)Proceedings of the Workshop on Efficient Use and Maintenance of Irrigation Systems at the Farm Level in China. United Nations, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.