Cita APA (7a ed.)
Atta-Krah, A., & Francis, P. (1989). The role of on-farm trials in the evaluation of alley farming. International Development Research Centre.
Cita Chicago Style (17a ed.)
Atta-Krah, A.N, y P.A Francis. The Role of On-farm Trials in the Evaluation of Alley Farming. International Development Research Centre, 1989.
Cita MLA (9a ed.)
Atta-Krah, A.N, y P.A Francis. The Role of On-farm Trials in the Evaluation of Alley Farming. International Development Research Centre, 1989.
Precaución: Estas citas no son 100% exactas.