Dẫn nguồn John_Stuart_Mill

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WikiPedia: John_Stuart_Mill http://ebooks.adelaide.edu.au/m/mill/john_stuart/ //nla.gov.au/anbd.aut-an35351912 http://www.quadrant.org.au/magazine/issue/2009/12/... http://www.earlymoderntexts.com/ http://fvergara.com/Halevy.pdf http://www.fvergara.com/QUALITY.doc http://hansard.millbanksystems.com/commons/1868/ap... http://www.newyorker.com/arts/critics/atlarge/2008... http://prq.sagepub.com/content/early/2016/01/07/10... http://www.sciencedirect.com/science/article/B6VDY...