Não informado. (1976). Irricab: Current annotaded bibliography of irrigation. International Irrigation information Center.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Irricab: Current Annotaded Bibliography of Irrigation. Bet Dagan, Israel: International Irrigation information Center, 1976.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Irricab: Current Annotaded Bibliography of Irrigation. International Irrigation information Center, 1976.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.