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Press. 2000: 39. ISBN 9780198549406.  含有內容需登入查看的頁面 (link) Madge, Steve; McGowan, Phil. Pheasants, Partridges & Grouse: Including buttonquails, sandgrouse

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（原始内容存档于2022-05-20） （英语）.  引用错误：带有name属性“kohn2011”的<ref>标签用不同内容定义了多次 McGowan, Christopher. A Practical Guide to Vertebrate Mechanics. Cambridge University Press