Shugar, G. J. (1981). Chemical technician`s ready reference handbook (Ed.2 /.).
Chicago Style aipamenaShugar, Gershon J. Chemical Technician`s Ready Reference Handbook. Ed.2 /. New York : McGraw Hill, 1981.
MLA aipamenaShugar, Gershon J. Chemical Technician`s Ready Reference Handbook. Ed.2 /. 1981.
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