Sources APA citation style

Sources: APA citation style

     Prepared by Cornell University Library PSEC Documentation Committee. November 2002; Revised April 2011. Citation Management. (2013, May 16)

http://www.library.cornell.edu/resrch/citmanage/apa

      http://linguistics.byu.edu/faculty/henrichsenl/apa/APA07.html (inc bibliografy)