Lopez, E. H. (2007). Graham Ridgway, CEO, Touch paper. IN Pro-files [column]. Manila Bulletin.
Cita Chicago Style (17a ed.)Lopez, Edu H. "Graham Ridgway, CEO, Touch Paper. IN Pro-files [column]." Manila Bulletin 2007.
Cita MLA (9a ed.)Lopez, Edu H. "Graham Ridgway, CEO, Touch Paper. IN Pro-files [column]." Manila Bulletin, 2007.
Precaución: Estas citas no son 100% exactas.