Pan, I. L. (1997). Napocor creates spot market for excess power. Manila Times.
Cita Chicago Style (17a ed.)Pan, Isabel L. "Napocor Creates Spot Market for Excess Power." Manila Times 1997.
Cita MLA (9a ed.)Pan, Isabel L. "Napocor Creates Spot Market for Excess Power." Manila Times, 1997.
Precaución: Estas citas no son 100% exactas.