George,Mary. (1991). Fertilizer consumption and agricultural development in a developing economy. Classical.
Chicago-стиль цитированияGeorge,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. New Delhi: Classical, 1991.
MLA-цитированиеGeorge,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.