Somarriba, E., & López Sampson, A. (2018). Coffee and Cocoa Agroforestry Systems: Pathways to Deforestation, Reforestation, and Tree Cover Change.
Chicago Style aipamenaSomarriba, Eduardo, y Arlene López Sampson. Coffee and Cocoa Agroforestry Systems: Pathways to Deforestation, Reforestation, and Tree Cover Change. 2018.
MLA aipamenaSomarriba, Eduardo, y Arlene López Sampson. Coffee and Cocoa Agroforestry Systems: Pathways to Deforestation, Reforestation, and Tree Cover Change. 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.