4Chen Yuzhen. Dictionary use and EFL learning:a contrastive study of pocket electronic dictionaries and paper dictionaries [J]. International JournalofLexicography, 2010 (3): 275--306.
6Sweller J. Cognitive load during problem solving:effects on learning[J ]. Cognitive Science, 1988, 12 (2) : 257-258.
7Sweller J,Van Merrinboer J J G,Pass F G W C. Cognitive architecture and instructional design [J]. Educational Psychology Review, 1998,10 (3) : 251-296.
8卢扬,郑蕊.kindle在华还能挺多久[N].北京商报,2015-08-23.
9章红雨.全球电子书出版依旧难寻赚钱途径[N].中国新闻出版广电报,2015-11-24.
10百度百科.DRM词条[EB/OL].http://baike.baidu.com/link?url=Gq4r ALoa C7dmx N_kax TLpy W5UNJ7D2u WCye XO Hrh28zyn DNWAcp Za Od M1Ux JSAFIt4i KMS7k Utw Zg Xzetd8U W_.