Cruz, N. . H. (1999). Vested interests still trying to torpedo ratified Clean Air Act. IN As I see it [column]. Philippine Daily Inquirer.
Chicago Style (17. basım) AtıfCruz, Neal H. "Vested Interests Still Trying to Torpedo Ratified Clean Air Act. IN As I See It [column]." Philippine Daily Inquirer 1999.
MLA (9th ed.) AtıfCruz, Neal H. "Vested Interests Still Trying to Torpedo Ratified Clean Air Act. IN As I See It [column]." Philippine Daily Inquirer, 1999.
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