Judan, M. D. (2011). Elementary math: Made easy : a guide for an effective teaching and tutorial. Central Book Supply Inc.
Cita Chicago (17th ed.)Judan, Margielene Divino. Elementary Math: Made Easy : A Guide for an Effective Teaching and Tutorial. Quezon City: Central Book Supply Inc, 2011.
Cita MLA (9th ed.)Judan, Margielene Divino. Elementary Math: Made Easy : A Guide for an Effective Teaching and Tutorial. Central Book Supply Inc, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.