Alvarez, V. M. (1998). Zamboanga City tagged as illegal drugs outpost. Manila Times.
Chicago (17e ed.) BronvermeldingAlvarez, Vic M. "Zamboanga City Tagged as Illegal Drugs Outpost." Manila Times 1998.
MLA (9e ed.) BronvermeldingAlvarez, Vic M. "Zamboanga City Tagged as Illegal Drugs Outpost." Manila Times, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.