Chambers, R., Pacey, A., & Thrupp, L. A. (1989). Farmer first: Farmer innovation and agricultural research. Intermediate Technology Publications.
Citação norma ChicagoChambers, Robert, Arnold Pacey, and Lori Ann Thrupp. Farmer First: Farmer Innovation and Agricultural Research. London: Intermediate Technology Publications, 1989.
Citação norma MLAChambers, Robert, et al. Farmer First: Farmer Innovation and Agricultural Research. Intermediate Technology Publications, 1989.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.