Dyfyniad APA

Chambers, R., Pacey, A., & Thrupp, L. A. (1989). Farmer first: Farmer innovation and agricultural research. Intermediate Technology Publications.

Dyfyniad Arddull Chicago

Chambers, Robert, Arnold Pacey, and Lori Ann Thrupp. Farmer First: Farmer Innovation and Agricultural Research. London: Intermediate Technology Publications, 1989.

Dyfyniad MLA

Chambers, Robert, et al. Farmer First: Farmer Innovation and Agricultural Research. Intermediate Technology Publications, 1989.

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