IRRI. (1980). Soil - related constraints to food production in the tropics. Philippines: IRRI.
Chicago ZitierstilIRRI. Soil - Related Constraints to Food Production in the Tropics. Philippines: IRRI, 1980.
MLA ZitierstilIRRI. Soil - Related Constraints to Food Production in the Tropics. Philippines: IRRI, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.