Conference on Psychiatric Factors in Drug Abuse, University of Minnesota, 1979, Minnesota, University Psychiatry Unit, Pickens, R., & Heston, L. L. (1979). Psychiatric factors in drug abuse. Grune & Stratton.
Lua i Stíl Chicago (17ú heag.)Conference on Psychiatric Factors in Drug Abuse, University of Minnesota, 1979, University Psychiatry Unit Minnesota, Roy Pickens, agus Leonard L. Heston. Psychiatric Factors in Drug Abuse. New York: Grune & Stratton, 1979.
Lua MLA (9ú heag.)Conference on Psychiatric Factors in Drug Abuse, University of Minnesota, 1979, et al. Psychiatric Factors in Drug Abuse. Grune & Stratton, 1979.
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