E.P.A. (1977). Compilation of air pollutant emission factors. Epa(Environmental Protection Agency.
Cita Chicago Style (17a ed.)E.P.A. Compilation of Air Pollutant Emission Factors. Carolina: Epa(Environmental Protection Agency, 1977.
Cita MLA (9a ed.)E.P.A. Compilation of Air Pollutant Emission Factors. Epa(Environmental Protection Agency, 1977.
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