Não informado. (1939). Louisiana Rural Economist. Louisiana State University, Agricultural and Mechanical College.
Chicagoスタイル(17版)引用形式Não informado. Louisiana Rural Economist. Baton Rouge, La: Louisiana State University, Agricultural and Mechanical College, 1939.
MLA(8版)引用形式Não informado. Louisiana Rural Economist. Louisiana State University, Agricultural and Mechanical College, 1939.
警告: この引用は必ずしも正確ではありません.