Shugar, G. J., & Ballinger, J. T. (1996). Chemical technicians ready reference handbook. McGraw-Hill.
Chicago Style aipamenaShugar, Gershon J., and Jack T. Ballinger. Chemical Technicians Ready Reference Handbook. N.Y: McGraw-Hill, 1996.
MLA aipamenaShugar, Gershon J., and Jack T. Ballinger. Chemical Technicians Ready Reference Handbook. McGraw-Hill, 1996.
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