Rakesh Kumar, R. D. Singh, and K. D. Sharma, “Water Resources of India,” Current Science 89, no. 5 (Sept. 2005): 794–811.
↑ Kumar, Rakesh; Singh, R.D.; Sharma, K.D. (१० सेप्टेम्बर २००५), "Water Resources of India", Current Science (Bangalore: Current Science Association) 89 (5): 794–811, अन्तिम पहुँच १३ अक्टोबर २०१३।