(1988). Agricultural extension: Guidelines for extension workers in rural areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management.
Style de citation ChicagoAgricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
Style de citation MLAAgricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.