(1989). Nutrient management for food crop production in tropical farming systems. Haren, The Netherlands: Institute for Soil Fertility.
Chicago-stil citatNutrient Management for Food Crop Production in Tropical Farming Systems. Haren, The Netherlands: Institute for Soil Fertility, 1989.
MLA-referensNutrient Management for Food Crop Production in Tropical Farming Systems. Haren, The Netherlands: Institute for Soil Fertility, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.