APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.