Hersen, M., & Van Hasselt, V. B. (1994). Advanced abnormal psychology. Plenum Press.
Lua i Stíl Chicago (17ú heag.)Hersen, Michel, agus Vincent B. Van Hasselt. Advanced Abnormal Psychology. New York: Plenum Press, 1994.
Lua MLA (9ú heag.)Hersen, Michel, agus Vincent B. Van Hasselt. Advanced Abnormal Psychology. Plenum Press, 1994.
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