APA Citatie

Proctor, N. H. (1988). Chemical hazards of the work place: : 2nd ed (2nd ed.). J. B. Lippincott.

Chicago Style citaat

Proctor, Nick H. Chemical Hazards of the Work Place: : 2nd Ed. 2nd ed. Philadelphia: J. B. Lippincott, 1988.

MLA citatie

Proctor, Nick H. Chemical Hazards of the Work Place: : 2nd Ed. 2nd ed. J. B. Lippincott, 1988.