Encyclopædia Britannica (2009) Bagel, dicapai pada 24 February 2009 daripada Encyclopædia Britannica Online
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Altschuler, Glenn C. (2008) Three Centuries of Bagels, a book review of: 'The Bagel: The Surprising History of a Modest Bread', by Balinska, Maria, Yale University Press, 2008, Jewish Daily Press website, published on-line November 05, 2008 in the issue of November 14, 2008
