Maragay, F. V. (2009). Drug companies defend 'voluntary compliance'. Manila Standard Today.
Chicago (17e ed.) BronvermeldingMaragay, Fel V. "Drug Companies Defend 'Voluntary Compliance'." Manila Standard Today 2009.
MLA (9e ed.) BronvermeldingMaragay, Fel V. "Drug Companies Defend 'Voluntary Compliance'." Manila Standard Today, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.