Bacasmas, E. E. (2000). PSE strengthening. Manila Times.
Cita Chicago Style (17a ed.)Bacasmas, Eugene E. "PSE Strengthening." Manila Times 2000.
Cita MLA (9a ed.)Bacasmas, Eugene E. "PSE Strengthening." Manila Times, 2000.
Precaución: Estas citas no son 100% exactas.