Ohlsson, E. L. (1999). Agroforestry for improved cycling on small farms in western Kenya. Swedish University of Agricultural Sciences.
Chicago-referens (17:e uppl.)Ohlsson, Eva L. Agroforestry for Improved Cycling on Small Farms in Western Kenya. Uppsala: Swedish University of Agricultural Sciences, 1999.
MLA-referens (8:e uppl.)Ohlsson, Eva L. Agroforestry for Improved Cycling on Small Farms in Western Kenya. Swedish University of Agricultural Sciences, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.