APA-viite (7. p.)
ebrary, Inc, Jardine, D., & Shell-Gellasch, A. (2011). Mathematical time capsules: Historical modules for the mathematics classroom. Mathematical Association of America.
Chicago-viite (17. p.)
ebrary, Inc, Dick Jardine, ja Amy Shell-Gellasch. Mathematical Time Capsules: Historical Modules for the Mathematics Classroom. Washington, DC: Mathematical Association of America, 2011.
MLA-viite (9. p.)
ebrary, Inc, et al. Mathematical Time Capsules: Historical Modules for the Mathematics Classroom. Mathematical Association of America, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.