Hubbard, R. L. (1986). Drug abuse treatment client characteristics and pretreatment behaviors: 1979 - 1981 TOPS admission cohorts. U.S. Department of Health and Human Services.
Chicago-Zitierstil (17. Ausg.)Hubbard, Robert L. Drug Abuse Treatment Client Characteristics and Pretreatment Behaviors: 1979 - 1981 TOPS Admission Cohorts. Rockville, Md: U.S. Department of Health and Human Services, 1986.
MLA-Zitierstil (9. Ausg.)Hubbard, Robert L. Drug Abuse Treatment Client Characteristics and Pretreatment Behaviors: 1979 - 1981 TOPS Admission Cohorts. U.S. Department of Health and Human Services, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.