Borromeo, R. U. (2009). Osmeña undergoes US surgery for cancer of the bladder. Philippine Star.
Chicago Style (17. basım) AtıfBorromeo, Rene U. "Osmeña Undergoes US Surgery for Cancer of the Bladder." Philippine Star 2009.
MLA (9th ed.) AtıfBorromeo, Rene U. "Osmeña Undergoes US Surgery for Cancer of the Bladder." Philippine Star, 2009.
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