Santos, A. (1999). Harnessing culture to save environment. Philippine Daily Inquirer.
Chicago (17e ed.) BronvermeldingSantos, Al. "Harnessing Culture to Save Environment." Philippine Daily Inquirer 1999.
MLA (9e ed.) BronvermeldingSantos, Al. "Harnessing Culture to Save Environment." Philippine Daily Inquirer, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.