Dhawan, B. D. (1986). Economics of groundwater irrigation in hard rock regions.
Chicago Style citaatDhawan, B D. Economics of Groundwater Irrigation in Hard Rock Regions. Agricole Publishing Academy, New Delhi, 1986.
MLA citatieDhawan, B D. Economics of Groundwater Irrigation in Hard Rock Regions. 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.