एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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