Cita APA (7a ed.)

Mariano, M. L. (2004). Mental math. UP Open University, Office of Academic Support & Instructional Services.

Cita Chicago Style (17a ed.)

Mariano, Ma. Luisa. Mental Math. Quezon City: UP Open University, Office of Academic Support & Instructional Services, 2004.

Cita MLA (9a ed.)

Mariano, Ma. Luisa. Mental Math. UP Open University, Office of Academic Support & Instructional Services, 2004.