Alvarez, V. M. (1998). Zamboanga City tagged as illegal drugs outpost. Manila Times.
Cita Chicago Style (17a ed.)Alvarez, Vic M. "Zamboanga City Tagged as Illegal Drugs Outpost." Manila Times 1998.
Cita MLA (9a ed.)Alvarez, Vic M. "Zamboanga City Tagged as Illegal Drugs Outpost." Manila Times, 1998.
Precaución: Estas citas no son 100% exactas.