Crystal, David Language and the Internet / David Crystal - 2nd edition - New York : Cambridge University Press, 2006 - 304 p. ; 28 cm. ISBN: 9780521868594 Subjects--Topical Terms: Linguistic changeComputational linguisticsInternet Subjects--Index Terms: Ngôn ngữ học lịch sử Dewey Class. No.: 417.7 / CRY