Francisco, A. D. Some things are left unsaid. IN Tech101: Watching IT. Manila Bulletin.
Chicago-referens (17:e uppl.)Francisco, Allan D. "Some Things Are Left Unsaid. IN Tech101: Watching IT." Manila Bulletin .
MLA-referens (9:e uppl.)Francisco, Allan D. "Some Things Are Left Unsaid. IN Tech101: Watching IT." Manila Bulletin, .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.