Sison, J. C. (1999). Silent co-owner. IN A Law Each Day (keeps trouble away) [column]. Philippine Star.
Chicago-referens (17:e uppl.)Sison, Jose C. "Silent Co-owner. IN A Law Each Day (keeps Trouble Away) [column]." Philippine Star 1999.
MLA-referens (9:e uppl.)Sison, Jose C. "Silent Co-owner. IN A Law Each Day (keeps Trouble Away) [column]." Philippine Star, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.