Lopez, E. H. (2004). Ben Wong, Director, Singapore Exhibition Services, Pte. Ltd.. IN Pro-files [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Lopez, Edu H. "Ben Wong, Director, Singapore Exhibition Services, Pte. Ltd.. IN Pro-files [column]." Manila Bulletin 2004.
MLA-referens (9:e uppl.)Lopez, Edu H. "Ben Wong, Director, Singapore Exhibition Services, Pte. Ltd.. IN Pro-files [column]." Manila Bulletin, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.