George,Mary. (1991). Fertilizer consumption and agricultural development in a developing economy. Classical.
Chicago ZitierstilGeorge,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. New Delhi: Classical, 1991.
MLA ZitierstilGeorge,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.