ebrary, Inc, & Hopkins, B. (2009). Resources for teaching discrete mathematics: Classroom projects, history modules, and articles. Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Brian Hopkins. Resources for Teaching Discrete Mathematics: Classroom Projects, History Modules, and Articles. Washington, D.C.: Mathematical Association of America, 2009.
Lua MLA (9ú heag.)ebrary, Inc, agus Brian Hopkins. Resources for Teaching Discrete Mathematics: Classroom Projects, History Modules, and Articles. Mathematical Association of America, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.