Calderon, R. (2001). Vilma's stance on Erap and other issues. Manila Times.
Chicago Style (17. basım) AtıfCalderon, Ricky. "Vilma's Stance on Erap and Other Issues." Manila Times 2001.
MLA (9th ed.) AtıfCalderon, Ricky. "Vilma's Stance on Erap and Other Issues." Manila Times, 2001.
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