Rosario, B. (2001). Safeguards provided in Rules of Procedure for impeachment. Manila Bulletin.
Chicago Style (17. basım) AtıfRosario, Ben. "Safeguards Provided in Rules of Procedure for Impeachment." Manila Bulletin 2001.
MLA (9th ed.) AtıfRosario, Ben. "Safeguards Provided in Rules of Procedure for Impeachment." Manila Bulletin, 2001.
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