Gaya APA

Barlow, D, H., Durand, V, M. (2012). Abnormal psychology : an integrative approach (6th ed.). Canada: Wadsworth Cengage Learning.

Gaya MLA

Barlow, David, H.., Durand, V., Mark. "Abnormal psychology : an integrative approach". 6th ed. Canada: Wadsworth Cengage Learning, 2012. Text.