Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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