Gaya APA

Ormrod, J, E. (2006). Educational psychology : developing learners (Volume 2:Observing children and adolescents) (5th ed.). New Jersey: Pearson.

Gaya MLA

Ormrod, Jeanne, Ellis. "Educational psychology : developing learners (Volume 2:Observing children and adolescents)". 5th ed. New Jersey: Pearson, 2006. Compact Disk.