APA-viite (7. p.)
Perry, D. L. (2012). What makes learning fun?: Principles for the design of intrinsically motivating museum exhibits. AltaMira Press.
Chicago-viite (17. p.)
Perry, Deborah L. What Makes Learning Fun?: Principles for the Design of Intrinsically Motivating Museum Exhibits. Lanham, Md.: AltaMira Press, 2012.
MLA-viite (9. p.)
Perry, Deborah L. What Makes Learning Fun?: Principles for the Design of Intrinsically Motivating Museum Exhibits. AltaMira Press, 2012.
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