APA-referens (7:e uppl.)
CREWS, W., & ET AL. (1994). DUAL DIAGNOSIS: PREVALENCE OF PSYCHIATRIC DISORDERS IN A LARGE STATE RESIDENTIAL FACILITY FOR INDIVIDUALS WITH MENTAL RETARDATION.
Chicago-referens (17:e uppl.)
CREWS, W.D, och ET AL. DUAL DIAGNOSIS: PREVALENCE OF PSYCHIATRIC DISORDERS IN A LARGE STATE RESIDENTIAL FACILITY FOR INDIVIDUALS WITH MENTAL RETARDATION. 1994.
MLA-referens (9:e uppl.)
CREWS, W.D, och ET AL. DUAL DIAGNOSIS: PREVALENCE OF PSYCHIATRIC DISORDERS IN A LARGE STATE RESIDENTIAL FACILITY FOR INDIVIDUALS WITH MENTAL RETARDATION. 1994.
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