(1958). Agricultural advisory services in Europe and North America 1957: Report of the International Working Conference of Directors and Senior Officers of Agricultural Advisory Services in member and associate countries held at O.E.C.C. Headquarters, Paris, in June 1957. Paris: The European Productivity Agency of The Organisation for European Economic Co-operation.
Chicago Style CitationAgricultural Advisory Services in Europe and North America 1957: Report of the International Working Conference of Directors and Senior Officers of Agricultural Advisory Services in Member and Associate Countries Held At O.E.C.C. Headquarters, Paris, in June 1957. Paris: The European Productivity Agency of The Organisation for European Economic Co-operation, 1958.
MLA CitationAgricultural Advisory Services in Europe and North America 1957: Report of the International Working Conference of Directors and Senior Officers of Agricultural Advisory Services in Member and Associate Countries Held At O.E.C.C. Headquarters, Paris, in June 1957. Paris: The European Productivity Agency of The Organisation for European Economic Co-operation, 1958.