Pan, I. L. (1998). Petron ups prices by 2 centavos. Manila Times.
Dyfyniad Arddull ChicagoPan, Isabel L. "Petron Ups Prices by 2 Centavos." Manila Times 1998.
Dyfyniad MLAPan, Isabel L. "Petron Ups Prices by 2 Centavos." Manila Times, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.