(1992). "Second Step A Violence Prevention Curriculum" in a Western Canadian Elementary School. An Evaluation / Paul R. Madak and Gerald D. Bravi. [microform].
Chicago-referens (17:e uppl.)"Second Step A Violence Prevention Curriculum" in a Western Canadian Elementary School. An Evaluation / Paul R. Madak and Gerald D. Bravi. [microform]. 1992.
MLA-referens (9:e uppl.)"Second Step A Violence Prevention Curriculum" in a Western Canadian Elementary School. An Evaluation / Paul R. Madak and Gerald D. Bravi. [microform]. 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.