Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.