National Institute of Hydrology (India) & International Hydrological Programme. (1990). Hydrology in ancient India: [I]ndia's contribution to International Hydrology Programme (IHP). National Institute of Hydrology.
Chicago-referens (17:e uppl.)National Institute of Hydrology (India) och International Hydrological Programme. Hydrology in Ancient India: [I]ndia's Contribution to International Hydrology Programme (IHP). Roorkee, India: National Institute of Hydrology, 1990.
MLA-referens (8:e uppl.)National Institute of Hydrology (India) och International Hydrological Programme. Hydrology in Ancient India: [I]ndia's Contribution to International Hydrology Programme (IHP). National Institute of Hydrology, 1990.
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