Easter, K. W., & Hufschmidt, M. M. (1985). Integrated watershed management research for developing countries. East-West Environment and Policy Institute.
Chicago-referens (17:e uppl.)Easter, K. William, och Maynard M. Hufschmidt. Integrated Watershed Management Research for Developing Countries. Honolulu, Hawaii: East-West Environment and Policy Institute, 1985.
MLA-referens (9:e uppl.)Easter, K. William, och Maynard M. Hufschmidt. Integrated Watershed Management Research for Developing Countries. East-West Environment and Policy Institute, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.