(1988). Agricultural extension: Guidelines for extension workers in rural areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management.
Trích dẫn kiểu ChicagoAgricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
MLA引文Agricultural Extension: Guidelines for Extension Workers in Rural Areas. St. Gallen, Switzerland: Swiss Centre for Development Cooperation in Technology and Management, 1988.
警告：这些引文格式不一定是100％准确.