Não informado. (2001). American Milk Review and Milk Plant Monthly. Urner Barry.
Lua i Stíl Chicago (17ú heag.)Não informado. American Milk Review and Milk Plant Monthly. New York: Urner Barry, 2001.
Lua MLA (8ú heag.)Não informado. American Milk Review and Milk Plant Monthly. Urner Barry, 2001.
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