International Symposium on Water Supply and Irrigation in the Open and under Protected Cultivation Padua. (1988). Fourth International Symposium on Water Supply and Irrigation in the Open and Under Protected Cultivation: Padova, Italy, 26 - 28 Aug. 1985. ISHS.
Chicago-Zitierstil (17. Ausg.)International Symposium on Water Supply and Irrigation in the Open and under Protected Cultivation Padua. Fourth International Symposium on Water Supply and Irrigation in the Open and Under Protected Cultivation: Padova, Italy, 26 - 28 Aug. 1985. Wageningen: ISHS, 1988.
MLA-Zitierstil (9. Ausg.)International Symposium on Water Supply and Irrigation in the Open and under Protected Cultivation Padua. Fourth International Symposium on Water Supply and Irrigation in the Open and Under Protected Cultivation: Padova, Italy, 26 - 28 Aug. 1985. ISHS, 1988.