Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.