APA
Farrington.J, Okali.C & Sumberg.J. (1994). Farmer Participatory Research. Intermediate Technology Publications on behalf of the Overseas Development Institute: London.
Chicago
Farrington.J, Okali.C and Sumberg.J. 1994. Farmer Participatory Research. Intermediate Technology Publications on behalf of the Overseas Development Institute: London.
Harvard
Farrington.J, Okali.C and Sumberg.J. (1994). Farmer Participatory Research. Intermediate Technology Publications on behalf of the Overseas Development Institute: London.
MLA
Farrington.J, Okali.C and Sumberg.J. Farmer Participatory Research. Intermediate Technology Publications on behalf of the Overseas Development Institute: London. 1994.