Colloquium of the International Potash Institute Wageningen NL & IPI. International Potash Institute. (1980). Colloquium of the International Potash Institute: Proceedings. Physiological aspects of crop productivity. [editor no identificado].
Cita Chicago Style (17a ed.)Colloquium of the International Potash Institute Wageningen NL y IPI. International Potash Institute. Colloquium of the International Potash Institute: Proceedings. Physiological Aspects of Crop Productivity. Bern: [editor no identificado], 1980.
Cita MLA (8a ed.)Colloquium of the International Potash Institute Wageningen NL y IPI. International Potash Institute. Colloquium of the International Potash Institute: Proceedings. Physiological Aspects of Crop Productivity. [editor no identificado], 1980.