APA
De Castro E. R., Mayuga M. J. & Tan O. L. (2014). Getting ready for mathematics. Quezon City, Philippines: Vibal Publishing House.
Chicago
De Castro Evelyn R, Mayuga Magdalena J and Tan Olivia L. 2014. Getting ready for mathematics. Quezon City, Philippines: Vibal Publishing House.
Harvard
De Castro E. R., Mayuga M. J. and Tan O. L. (2014). Getting ready for mathematics. Quezon City, Philippines: Vibal Publishing House.
MLA
De Castro Evelyn R, Mayuga Magdalena J and Tan Olivia L. Getting ready for mathematics. Quezon City, Philippines: Vibal Publishing House. 2014.