Srivastava, J. (1993). Conserving soil moisture and fertility in the warm seasonally dry topics. World bank.
Chicago-referens (17:e uppl.)Srivastava, Jitendra. Conserving Soil Moisture and Fertility in the Warm Seasonally Dry Topics. Washington, D.C: World bank, 1993.
MLA-referens (9:e uppl.)Srivastava, Jitendra. Conserving Soil Moisture and Fertility in the Warm Seasonally Dry Topics. World bank, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.