Alabama. Dept. of Agriculture and Industries. Division of Plant Industry. (1943). Certification of seed sweet potatoes and sweet potato plants (Rev.). The Division.
Citace podle Chicago (17th ed.)Alabama. Dept. of Agriculture and Industries. Division of Plant Industry. Certification of Seed Sweet Potatoes and Sweet Potato Plants. Rev. Montgomery, Ala.: The Division, 1943.
Citace podle MLA (8th ed.)Alabama. Dept. of Agriculture and Industries. Division of Plant Industry. Certification of Seed Sweet Potatoes and Sweet Potato Plants. Rev. The Division, 1943.
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