6Cuddy C, Graham J, Morton-Owens E G. Implementing Twitter in a health sciences library[ J]. Medical Reference Services Quarterly, 2010,29 (4) : 320 - 330.
7Mayo-Smith D. Could you retweet that please? [ J ] . NZ Business, 2010,24(2) :54.
8Devoe K M. Bursts of information : Microblogging [J]. The Reference Librarian,2009,50(2) :212 -214.
9Fields E. A unique Twitter use for reference services [J]. Hi Tech News ,2010,27 (6/7) : 14 - 15.