Congress on Irrigation and Drainage Fort Collins & International Commission Irrigation and Drainage. (1984). Twelfth International Congress on Irrigation and Drainage: Transactions = Douzieme Congres International des Irrigations et du Drainage : comptes-rendus. International Commission on Irrigation and Drainage.
Παραπομπή σε μορφή Chicago (17η εκδ.)Congress on Irrigation and Drainage Fort Collins και International Commission Irrigation and Drainage. Twelfth International Congress on Irrigation and Drainage: Transactions = Douzieme Congres International Des Irrigations Et Du Drainage : Comptes-rendus. New Delhi, India: International Commission on Irrigation and Drainage, 1984.
Παραπομπή σε μορφή MLA (8th εκδ.)Congress on Irrigation and Drainage Fort Collins και International Commission Irrigation and Drainage. Twelfth International Congress on Irrigation and Drainage: Transactions = Douzieme Congres International Des Irrigations Et Du Drainage : Comptes-rendus. International Commission on Irrigation and Drainage, 1984.