Tohutoro APA (7th ed.)
Stefferud, A. Animal diseases. The united states departament of de agriculture (1a.ed.). The united states departament of agriculture. Washintong D.C.
Tohutoru Kātū Chicago (17th ed.)
Stefferud, Alfred. Animal Diseases. The United States Departament of De Agriculture. 1a.ed. The united states departament of agriculture. Washintong D.C.
Tohutoro MLA (9th ed.)
Stefferud, Alfred. Animal Diseases. The United States Departament of De Agriculture. 1a.ed. The united states departament of agriculture. Washintong D.C.
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