Pefianco, R. V. (1997). Who are qualified to write a charter. Manila Bulletin.
Chicago Style (17. basım) AtıfPefianco, Romeo V. "Who Are Qualified to Write a Charter." Manila Bulletin 1997.
MLA (9th ed.) AtıfPefianco, Romeo V. "Who Are Qualified to Write a Charter." Manila Bulletin, 1997.
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