ebrary, Inc, Gerstein, D. R., & Green, L. W. (1993). Preventing drug abuse: What do we know? National Academy Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Dean R. Gerstein, eta Lawrence W. Green. Preventing Drug Abuse: What Do We Know? Washington, D.C.: National Academy Press, 1993.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Preventing Drug Abuse: What Do We Know? National Academy Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.