Perena, G. (1999). Tuluy-tuloy na buying spree?: Manila Bank, balak din bilhin ang PNB. Kabayan.
Chicago (17e ed.) BronvermeldingPerena, Gina. "Tuluy-tuloy Na Buying Spree?: Manila Bank, Balak Din Bilhin Ang PNB." Kabayan 1999.
MLA (9e ed.) BronvermeldingPerena, Gina. "Tuluy-tuloy Na Buying Spree?: Manila Bank, Balak Din Bilhin Ang PNB." Kabayan, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.