Charnock, Elizabeth. E-habits : what you must do to optimize your professional digital presence / Elizabeth Charnock. - New York : McGraw-Hill, 2010. - vi, 250 p. : ill. ; 22 cm. Includes index. ISBN: 9780071629959 (alk. paper) RM70.23 0071629955 (alk. paper) Subjects--Topical Terms: Digital communications.Digital media.Work environment.