Estrada, E. (2002). Caloocan lawmaker pushes for additional benefits for elderly. Manila Times.
Chicago-referens (17:e uppl.)Estrada, Eric. "Caloocan Lawmaker Pushes for Additional Benefits for Elderly." Manila Times 2002.
MLA-referens (9:e uppl.)Estrada, Eric. "Caloocan Lawmaker Pushes for Additional Benefits for Elderly." Manila Times, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.