"ROMAN GOOSE". livestockconservancy. The Livestock Conservancy. Retrieved 15 November 2014.
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Limited, Victorian Poultry Fanciers Association (2011). Australian poultry standards (2nd ed.). Ballarat, Vic.: Victorian Poultry Fanciers Association Limited. pp. 315–316. ISBN9781921488238. Retrieved 15 November 2014. {{cite book}}: |last1= has generic name (help)