Reeves R. R., Chaudhry A. A., Khalid U. Competing for Water on the Indus Plain: Is There a Future for Pakistan's River Dolphins? (англ.) // Environmental Conservation : journal. — 1991. — Vol. 18, iss. 4. — P. 341—350. — ISSN0376-8929 1469-4387, 0376-8929. — doi:10.1017/S0376892900022591. — S2CID85606834.
Reeves R. R., Chaudhry A. A., Khalid U. Competing for Water on the Indus Plain: Is There a Future for Pakistan's River Dolphins? (англ.) // Environmental Conservation : journal. — 1991. — Vol. 18, iss. 4. — P. 341—350. — ISSN0376-8929 1469-4387, 0376-8929. — doi:10.1017/S0376892900022591. — S2CID85606834.
Reeves R. R., Chaudhry A. A., Khalid U. Competing for Water on the Indus Plain: Is There a Future for Pakistan's River Dolphins? (англ.) // Environmental Conservation : journal. — 1991. — Vol. 18, iss. 4. — P. 341—350. — ISSN0376-8929 1469-4387, 0376-8929. — doi:10.1017/S0376892900022591. — S2CID85606834.