Proctor, N. H., Hughes, J. P., & Fischman, M. L. (1989). Chemical hazards of the work place (2nd ed.). Van Nostrand Reinhold.
Chicago Edition CitationProctor, Nick H., James P. Hughes, and Michael L. Fischman. Chemical Hazards of the Work Place. 2nd ed. N.Y: Van Nostrand Reinhold, 1989.
MLA citiranjeProctor, Nick H., et al. Chemical Hazards of the Work Place. 2nd ed. Van Nostrand Reinhold, 1989.
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