APA aipamena

George,Mary. (1991). Fertilizer consumption and agricultural development in a developing economy. Classical.

Chicago Style aipamena

George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. New Delhi: Classical, 1991.

MLA aipamena

George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.