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引文Proctor, Nick H., et al. Chemical Hazards of the Work Place. 2nd ed. Van Nostrand Reinhold, 1989.
警告:這些引文格式不一定是100%准確.