Dyfyniad APA

Rojas, L. A., & Chaves, G. (2006). Effect of minimun and conventional tillage in bean (Phaseolus vulgaris L.) in the Northern Huetar Region in Costa Rica.

Dyfyniad Arddull Chicago

Rojas, Luis Antonio, y Gerardo Chaves. Effect of Minimun and Conventional Tillage in Bean (Phaseolus Vulgaris L.) in the Northern Huetar Region in Costa Rica. 2006.

Dyfyniad MLA

Rojas, Luis Antonio, y Gerardo Chaves. Effect of Minimun and Conventional Tillage in Bean (Phaseolus Vulgaris L.) in the Northern Huetar Region in Costa Rica. 2006.

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