APA aipamena

Mary George. (1982). Fertilizer consumption and agricultural development in a developing economy. Classical publishing co.

Chicago Style aipamena

Mary George. Fertilizer Consumption and Agricultural Development in a Developing Economy. Newdelhi: Classical publishing co, 1982.

MLA aipamena

Mary George. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical publishing co, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.