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Dyfyniad Arddull ChicagoApostol, Eugenia D. "An Open Letter to Secretary Lapus." Philippine Daily Inquirer 2006.
Dyfyniad MLAApostol, Eugenia D. "An Open Letter to Secretary Lapus." Philippine Daily Inquirer, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.