Electronic Sources (websites, e-mails, data sets, blog posts, podcasts, etc).
Other non-print Sources (interviews, personal communications, television shows, music recordings, movies, etc).
For additional help, the Writing Center at Purdue has an extensive APA citation style tutorial.
Purdue Owl APA Overview and Workshop:http://owl.english.purdue.edu/owl/resource/664/01/
Purdue Owl APA Formatting and Style Guide: http://owl.english.purdue.edu/owl/resource/560/01/