Ong, E. D. (2002). The story of two Japanese firms who chose to do business in RP. Manila Bulletin.
Chicago-referens (17:e uppl.)Ong, Edison Dy. "The Story of Two Japanese Firms Who Chose to Do Business in RP." Manila Bulletin 2002.
MLA-referens (9:e uppl.)Ong, Edison Dy. "The Story of Two Japanese Firms Who Chose to Do Business in RP." Manila Bulletin, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.