Citation (MLA)
San Francisco; Telephone of Tomorrow. United Learning. 2004.
Discovery Education. 20 March 2009
<http://streaming.discoveryeducation.com/>
Citation (APA)
San Francisco; Telephone of Tomorrow. United Learning
(2004). Retrieved March 20, 2009, from
Discovery Education: http://streaming.discoveryeducation.com/
Citation (Chicago Manual of Style)
United Learning. "San Francisco; Telephone of Tomorrow."
Discovery Education: http://streaming.discoveryeducation.com/