United States Environmental Protection Agency. Emission factor documentation for AP-42 , coffee roasting.
Cita Chicago (17th ed.)United States Environmental Protection Agency. Emission Factor Documentation for AP-42 , Coffee Roasting.
Cita MLA (9th ed.)United States Environmental Protection Agency. Emission Factor Documentation for AP-42 , Coffee Roasting.
Atenció: Aquestes cites poden no estar 100% correctes.