Institute of American Poultry Industries. The U.S. egg & poultry magazine. Institute of American Poultry Industries.
Lua i Stíl Chicago (17ú heag.)Institute of American Poultry Industries. The U.S. Egg & Poultry Magazine. Chicago: Institute of American Poultry Industries.
Lua MLA (8ú heag.)Institute of American Poultry Industries. The U.S. Egg & Poultry Magazine. Institute of American Poultry Industries.
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