United States. Bureau of Agricultural Economics & Alabama. Dept. of Agriculture and Industries. (1928). Alabama farm production. The Bureau.
Lua i Stíl Chicago (17ú heag.)United States. Bureau of Agricultural Economics agus Alabama. Dept. of Agriculture and Industries. Alabama Farm Production. Montgomery, Ala.: The Bureau, 1928.
Lua MLA (8ú heag.)United States. Bureau of Agricultural Economics agus Alabama. Dept. of Agriculture and Industries. Alabama Farm Production. The Bureau, 1928.
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