Knapp, S. E. (2005). Parenting skills homework planner. New York: Wiley.
Trích dẫn kiểu ChicagoKnapp, Sarah Edison. Parenting Skills Homework Planner. New York: Wiley, 2005.
Deismireacht MLAKnapp, Sarah Edison. Parenting Skills Homework Planner. New York: Wiley, 2005.
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