International Potash Intitute. (1982). Optimizing yields the role of fertilizers (Primera edición.). International Potash Intitute.
Chicago Style (17th ed.) CitationInternational Potash Intitute. Optimizing Yields the Role of Fertilizers. Primera edición. Bern: International Potash Intitute, 1982.
MLA (8th ed.) CitationInternational Potash Intitute. Optimizing Yields the Role of Fertilizers. Primera edición. International Potash Intitute, 1982.
Warning: These citations may not always be 100% accurate.