APA aipamena

International Potash Institute. Transition from extensive to intensive agriculture with fertilizers.

Chicago Style aipamena

International Potash Institute. Transition from Extensive to Intensive Agriculture with Fertilizers.

MLA aipamena

International Potash Institute. Transition from Extensive to Intensive Agriculture with Fertilizers.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.