(2002). Bulacan 1st province to adopt unified health system. Manila Times.
Cita Chicago (17th ed.)"Bulacan 1st Province to Adopt Unified Health System." Manila Times 2002.
Cita MLA (9th ed.)"Bulacan 1st Province to Adopt Unified Health System." Manila Times, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.