ebrary, Inc, & Hopkins, B. (2009). Resources for teaching discrete mathematics: Classroom projects, history modules, and articles. Mathematical Association of America.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Brian Hopkins. Resources for Teaching Discrete Mathematics: Classroom Projects, History Modules, and Articles. Washington, D.C.: Mathematical Association of America, 2009.
MLA način citiranja (9. izdanje)ebrary, Inc, i Brian Hopkins. Resources for Teaching Discrete Mathematics: Classroom Projects, History Modules, and Articles. Mathematical Association of America, 2009.
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