References
http://www.classzone.com/books/research_guide/page_build.cfm?content=library
http://www.englishforums.com/English/OpinionEssayInternetBooks/pwcdj/post.htm
http://plapa.hubpages.com/hub/Advantages-of-Internet-over-Books
http://www.home-school.com/Articles/why-the-internet-will-never-replace-books.php
http://www.debate.org/opinions/are-books-more-reliable-than-the-internet
http://booksvsinternetarticles.blogspot.sg/
http://en.wikipedia.org/wiki/Books#History_of_books
http://en.wikipedia.org/wiki/Internet
http://www.usatoday.com/story/life/books/2013/05/15/e-book-sales/2159117/
http://www.investopedia.com/financial-edge/0812/e-books-vs.-print-books.aspx
http://www.usatoday.com/story/life/books/2013/05/15/e-books-print-books/2159037/
http://www.englishforums.com/English/OpinionEssayInternetBooks/pwcdj/post.htm
http://plapa.hubpages.com/hub/Advantages-of-Internet-over-Books
http://www.home-school.com/Articles/why-the-internet-will-never-replace-books.php
http://www.debate.org/opinions/are-books-more-reliable-than-the-internet
http://booksvsinternetarticles.blogspot.sg/
http://en.wikipedia.org/wiki/Books#History_of_books
http://en.wikipedia.org/wiki/Internet
http://www.usatoday.com/story/life/books/2013/05/15/e-book-sales/2159117/
http://www.investopedia.com/financial-edge/0812/e-books-vs.-print-books.aspx
http://www.usatoday.com/story/life/books/2013/05/15/e-books-print-books/2159037/