ebrary, Inc, Cline, K., & Zullo, H. (2011). Teaching mathematics with classroom voting: With and without clickers. Mathematical Association of America.
Chicago-referens (17:e uppl.)ebrary, Inc, Kelly Cline, och Holly Zullo. Teaching Mathematics with Classroom Voting: With and Without Clickers. Washington, D.C.: Mathematical Association of America, 2011.
MLA-referens (9:e uppl.)ebrary, Inc, et al. Teaching Mathematics with Classroom Voting: With and Without Clickers. Mathematical Association of America, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.