Halgin, R. P. (2009). Taking sides: Clashing views in abnormal psychology (5th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Halgin, Richard P. Taking Sides: Clashing Views in Abnormal Psychology. 5th ed. Boston: McGraw-Hill, 2009.
Lua MLA (9ú heag.)Halgin, Richard P. Taking Sides: Clashing Views in Abnormal Psychology. 5th ed. McGraw-Hill, 2009.
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