Harper,David, & Brown, T. (1998). Sustainable management of tropical catchments. John Wiley.
Chicago Stili AlıntıHarper,David, ve Tony Brown. Sustainable Management of Tropical Catchments. New York: John Wiley, 1998.
MLA AlıntıHarper,David, ve Tony Brown. Sustainable Management of Tropical Catchments. John Wiley, 1998.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..