Não informado. (1951). Poultry Market Review. Department of Agriculture, Production and Marketing Branch.
Lua i Stíl Chicago (17ú heag.)Não informado. Poultry Market Review. Ottawa: Department of Agriculture, Production and Marketing Branch, 1951.
Lua MLA (8ú heag.)Não informado. Poultry Market Review. Department of Agriculture, Production and Marketing Branch, 1951.
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