APA-referens (7:e uppl.)
DRUGS PREVENTION INITIATIVE. (1999). EVALUATING EFFECTIVENESS. DRUGS PREVENTION RESEARCH CONFERENCE. DECEMBER 3RD-5TH 1997. PAPER 20. DRUGS PREVENTION INITIATIVE.
Chicago-referens (17:e uppl.)
DRUGS PREVENTION INITIATIVE. EVALUATING EFFECTIVENESS. DRUGS PREVENTION RESEARCH CONFERENCE. DECEMBER 3RD-5TH 1997. PAPER 20. Londres: DRUGS PREVENTION INITIATIVE, 1999.
MLA-referens (9:e uppl.)
DRUGS PREVENTION INITIATIVE. EVALUATING EFFECTIVENESS. DRUGS PREVENTION RESEARCH CONFERENCE. DECEMBER 3RD-5TH 1997. PAPER 20. DRUGS PREVENTION INITIATIVE, 1999.
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