APA (7th ed.) Zitazioa
Campbell, D., & Graham, M. (1988). Drugs and alcohol in the workplace: A guide for managers. Facts on File Publications.
Chicago Style (17th ed.) Zitazioa
Campbell, Drusilla, eta Marilyn Graham. Drugs and Alcohol in the Workplace: A Guide for Managers. New York, N.Y.: Facts on File Publications, 1988.
MLA (9th ed.) Zitazioa
Campbell, Drusilla, eta Marilyn Graham. Drugs and Alcohol in the Workplace: A Guide for Managers. Facts on File Publications, 1988.
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