Não informado. (1964). International agricultural development. International Agricultural Development Service.
Chicagoスタイル(17版)引用形式Não informado. International Agricultural Development. Washington: International Agricultural Development Service, 1964.
MLA(8版)引用形式Não informado. International Agricultural Development. International Agricultural Development Service, 1964.
警告: この引用は必ずしも正確ではありません.