(2003). Quality of life: Heartburn suffering on a par with heart disease. Philippine Star.
Chicago Style aipamena"Quality of Life: Heartburn Suffering on a Par with Heart Disease." Philippine Star 2003.
MLA aipamena"Quality of Life: Heartburn Suffering on a Par with Heart Disease." Philippine Star, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.