Citazione Stile APA (7a Edizione)

de la Torre, V. R. (1988). Business and professionals (1988-89 ed.). New Info Corporation.

Citazione stile Chigago Style (17a edizione)

de la Torre, Visitacion R. Business and Professionals. 1988-89 ed. [Manila]: New Info Corporation, 1988.

Citatione MLA (9a ed.)

de la Torre, Visitacion R. Business and Professionals. 1988-89 ed. New Info Corporation, 1988.