Long, L. (2003). Groovy geometry: Games and activities that make math easy and fun. J. Wiley.
Cita Chicago Style (17a ed.)Long, Lynette. Groovy Geometry: Games and Activities That Make Math Easy and Fun. Hoboken, N.J: J. Wiley, 2003.
Cita MLA (9a ed.)Long, Lynette. Groovy Geometry: Games and Activities That Make Math Easy and Fun. J. Wiley, 2003.
Precaución: Estas citas no son 100% exactas.