(2004). Birth control pills cut risk of heart disease, cancer - study. Philippine Star.
Cita Chicago (17th ed.)"Birth Control Pills Cut Risk of Heart Disease, Cancer - Study." Philippine Star 2004.
Cita MLA (9th ed.)"Birth Control Pills Cut Risk of Heart Disease, Cancer - Study." Philippine Star, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.