APA (7th ed.) Zitazioa
Singh, P. (2008). Modeling crop production systems: Principles and application. Science Publishers.
Chicago Style (17th ed.) Zitazioa
Singh, Phool. Modeling Crop Production Systems: Principles and Application. Enfield, (NH): Science Publishers, 2008.
MLA (9th ed.) Zitazioa
Singh, Phool. Modeling Crop Production Systems: Principles and Application. Science Publishers, 2008.
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