International Conference of Agricultural Economists & International Association of Agricultural Economists. (1956). Proceedings of the ninth International Conference of Agricultural Economists. oxford university press.
Citação norma ChicagoInternational Conference of Agricultural Economists and International Association of Agricultural Economists. Proceedings of the Ninth International Conference of Agricultural Economists. new York: oxford university press, 1956.
Citação norma MLAInternational Conference of Agricultural Economists and International Association of Agricultural Economists. Proceedings of the Ninth International Conference of Agricultural Economists. oxford university press, 1956.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.