Foz, V. B. (1999). Clean Air Act fails to ban other sources of dioxin. Philippine Star.
Chicago-viite (17. p.)Foz, Vicente B. "Clean Air Act Fails to Ban Other Sources of Dioxin." Philippine Star 1999.
MLA-viite (9. p.)Foz, Vicente B. "Clean Air Act Fails to Ban Other Sources of Dioxin." Philippine Star, 1999.
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