Cita APA

Werner, J. (1993). Participatory development of agricultural innovations procedures and methods of on-farm research (1a. ed.). Alemania: GTZ.

Citación estilo Chicago

Werner, Jürgen. Participatory Development of Agricultural Innovations Procedures and Methods of On-farm Research. 1a. ed. Alemania: GTZ, 1993.

Cita MLA

Werner, Jürgen. Participatory Development of Agricultural Innovations Procedures and Methods of On-farm Research. 1a. ed. Alemania: GTZ, 1993.