National Farmers' Union (U.S.). (1968). National union farmer. Farmers' Educational and Co-operative Union of America.
Chicagoスタイル(17版)引用形式National Farmers' Union (U.S.). National Union Farmer. Marissa, Ill.: Farmers' Educational and Co-operative Union of America, 1968.
MLA(8版)引用形式National Farmers' Union (U.S.). National Union Farmer. Farmers' Educational and Co-operative Union of America, 1968.
警告: この引用は必ずしも正確ではありません.