Villegas, B. M. (2003). How to be in the right business. IN Business and society [column]. Manila Bulletin.
Cita Chicago Style (17a ed.)Villegas, Bernardo M. "How to Be in the Right Business. IN Business and Society [column]." Manila Bulletin 2003.
Cita MLA (9a ed.)Villegas, Bernardo M. "How to Be in the Right Business. IN Business and Society [column]." Manila Bulletin, 2003.
Precaución: Estas citas no son 100% exactas.