(1997). The Philippine College of Chest Physicians at 25: A retrospect. Manila Chronicle.
Citazione stile Chigago Style (17a edizione)"The Philippine College of Chest Physicians at 25: A Retrospect." Manila Chronicle 1997.
Citatione MLA (9a ed.)"The Philippine College of Chest Physicians at 25: A Retrospect." Manila Chronicle, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.