Perpeña, E. C. (2001). Rates: The high (and low) of leading. Manila Times.
Cita Chicago (17th ed.)Perpeña, Ed C. "Rates: The High (and Low) of Leading." Manila Times 2001.
Cita MLA (9th ed.)Perpeña, Ed C. "Rates: The High (and Low) of Leading." Manila Times, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.