Cita APA (7a ed.)
(May 9, 2012). Cengage Learning and Blackboard Launch Digital Content Integration. PR Newswire.
Cita Chicago Style (17a ed.)
"Cengage Learning and Blackboard Launch Digital Content Integration." PR Newswire May 9, 2012.
Cita MLA (9a ed.)
"Cengage Learning and Blackboard Launch Digital Content Integration." PR Newswire, May 9, 2012.
Precaución: Estas citas no son 100% exactas.