Quintanilla Quintanilla, J. (1995). Effect of plant density and tillage on the production of beans (Phaseolus vulgaris L) in two crop cycles in alley farming production system.
Chicago-tyylinen lähdeviittausQuintanilla Quintanilla, J.R. Effect of Plant Density and Tillage On the Production of Beans (Phaseolus Vulgaris L) in Two Crop Cycles in Alley Farming Production System. 1995.
MLA-viiteQuintanilla Quintanilla, J.R. Effect of Plant Density and Tillage On the Production of Beans (Phaseolus Vulgaris L) in Two Crop Cycles in Alley Farming Production System. 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.