(1988). Agricultural extension: Guidelines for extension workers in rural areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management.
Citação norma ChicagoAgricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
Citação norma MLAAgricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.