APA-viite (7. p.)
Stahl, G. (2006). Group cognition: Computer support for building collaborative knowledge. MIT Press.
Chicago-viite (17. p.)
Stahl, Gerry. Group Cognition: Computer Support for Building Collaborative Knowledge. Cambridge, Mass.: MIT Press, 2006.
MLA-viite (9. p.)
Stahl, Gerry. Group Cognition: Computer Support for Building Collaborative Knowledge. MIT Press, 2006.
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