ebrary, Inc, Cline, K., & Zullo, H. (2011). Teaching mathematics with classroom voting: With and without clickers. Mathematical Association of America.
Chicago-čujuhus (17. p.)ebrary, Inc, Kelly Cline, juo Holly Zullo. Teaching Mathematics with Classroom Voting: With and Without Clickers. Washington, D.C.: Mathematical Association of America, 2011.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Teaching Mathematics with Classroom Voting: With and Without Clickers. Mathematical Association of America, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.