APA-referens (7:e uppl.)
PETERS, D., & ET AL. (1998). A NATURAL CLASSIFICATIONN OF ALCOHOLICS BY MEANS OF STATISTICAL GROUPING METHODS. RESEARCH REPORT AND COMMENTARIES.
Chicago-referens (17:e uppl.)
PETERS, D., och ET AL. A NATURAL CLASSIFICATIONN OF ALCOHOLICS BY MEANS OF STATISTICAL GROUPING METHODS. RESEARCH REPORT AND COMMENTARIES. 1998.
MLA-referens (9:e uppl.)
PETERS, D., och ET AL. A NATURAL CLASSIFICATIONN OF ALCOHOLICS BY MEANS OF STATISTICAL GROUPING METHODS. RESEARCH REPORT AND COMMENTARIES. 1998.
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