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6Charlotte Williams.Hachette UK sales drop 4.5%in fourth quarter”[OL].[2012-02-08].http://www.thebookseller.com/news/hachette-uk-sales-drop-45-fourth-quarter.html.
7Cheng Sanguo,Ma Xuehai and Lin Chenglin.A Research Report on China’s E-book Industry 2011[R].
9Dianna Dilworth.Apple Sold 15.43 Million iPads In Q1 2012[OL].[2012-01-25].http://www.mediabistro.com/ebooknewser/apple-sold-15-43-million-ipads-in-q1-2012_b19677.
10Jeremy Greenfield(2012).Publishers’Love Affair with Apps Is Over”[OL].[2012-01-27].http://www.digitalbookworld.com/2012/publishers-love-af-fair-with-apps-is-over/.
