Παραπομπή APA

Fallas, G., Chacón, M., & Castro, J. (2009). Sustainability of agricultural systems on ecological and conventional farms in Costa Rica.

Παραπομπή Chicago Style

Fallas, Greivin, Mario Chacón, και Jonathan Castro. Sustainability of Agricultural Systems On Ecological and Conventional Farms in Costa Rica. 2009.

Παραπομπή MLA

Fallas, Greivin, Mario Chacón, και Jonathan Castro. Sustainability of Agricultural Systems On Ecological and Conventional Farms in Costa Rica. 2009.

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