APA (7th ed.) Zitazioa
ebrary, Inc, Normand, J., Lempert, R. O., & O'Brien, C. P. (1994). Under the influence?: Drugs and the American work force. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Jacques Normand, Richard O. Lempert, eta Charles P. O'Brien. Under the Influence?: Drugs and the American Work Force. Washington, D.C.: National Academy Press, 1994.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Under the Influence?: Drugs and the American Work Force. National Academy Press, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.