Sta. Maria, A. C. (1998). College mathematics text/workbook (2nd ed.). National Book Store.
Cita Chicago Style (17a ed.)Sta. Maria, Antonina C. College Mathematics Text/workbook. 2nd ed. Mandaluyong City: National Book Store, 1998.
Cita MLA (9a ed.)Sta. Maria, Antonina C. College Mathematics Text/workbook. 2nd ed. National Book Store, 1998.
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