Perkinson, R. R. A. (2012). The alcoholism and drug abuse client workbook (2nd ed.).
Chicago Style aipamenaPerkinson, Robert R; Author. The Alcoholism and Drug Abuse Client Workbook. 2nd ed. California, Sage Publications Inc, 2012.
MLA aipamenaPerkinson, Robert R; Author. The Alcoholism and Drug Abuse Client Workbook. 2nd ed. 2012.
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