Payumo, F. C. (2004). Creating a culture of customer service at the Subic Freeport. Manila Times.
Cita Chicago (17th ed.)Payumo, Felicito C. "Creating a Culture of Customer Service at the Subic Freeport." Manila Times 2004.
Cita MLA (9th ed.)Payumo, Felicito C. "Creating a Culture of Customer Service at the Subic Freeport." Manila Times, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.