Lewis, R. J., Sr. (1997). Hazardous chemicals desk reference (4th ed.). New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoLewis, Richard J., Sr. Hazardous Chemicals Desk Reference. 4th ed. New York: John Wiley and Sons, 1997.
Deismireacht MLALewis, Richard J., Sr. Hazardous Chemicals Desk Reference. 4th ed. New York: John Wiley and Sons, 1997.
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