APA (7th ed.) Citation

Vasquez, E. E., & Africa, L. T. (1977). Manual in "mathematics of investments". Textbook Development Committee, De La Salle University.

Chicago Style (17th ed.) Citation

Vasquez, Eleanita E., and Leonida T. Africa. Manual in "Mathematics of Investments". Manila: Textbook Development Committee, De La Salle University, 1977.

MLA (9th ed.) Citation

Vasquez, Eleanita E., and Leonida T. Africa. Manual in "Mathematics of Investments". Textbook Development Committee, De La Salle University, 1977.