Goertzen, D. (2000). Arsenic and old base: Toxic waste in the Philippines. Filipinas.
Lua i Stíl Chicago (17ú heag.)Goertzen, Donald. "Arsenic and Old Base: Toxic Waste in the Philippines." Filipinas 2000.
Lua MLA (9ú heag.)Goertzen, Donald. "Arsenic and Old Base: Toxic Waste in the Philippines." Filipinas, 2000.
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