Não informado. (1939). Louisiana Rural Economist. Louisiana State University, Agricultural and Mechanical College.
Čikaški stil citiranja (17. izdanje)Não informado. Louisiana Rural Economist. Baton Rouge, La: Louisiana State University, Agricultural and Mechanical College, 1939.
MLA način citiranja (8. izdanje)Não informado. Louisiana Rural Economist. Louisiana State University, Agricultural and Mechanical College, 1939.
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