Colloquium of the International Potash Institute Warsaw & IPI. International Potash Institute. (1981). Colloquium of the International Potash Institute: Proceedings. Agricultural yield potentials in continental climates. [editor no identificado].
Cita Chicago Style (17a ed.)Colloquium of the International Potash Institute Warsaw y IPI. International Potash Institute. Colloquium of the International Potash Institute: Proceedings. Agricultural Yield Potentials in Continental Climates. Bern: [editor no identificado], 1981.
Cita MLA (8a ed.)Colloquium of the International Potash Institute Warsaw y IPI. International Potash Institute. Colloquium of the International Potash Institute: Proceedings. Agricultural Yield Potentials in Continental Climates. [editor no identificado], 1981.