Matthews, J. R., & Walker, C. E. (1997). Basic skills and professional issues in clinical psychology. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Matthews, Janet R., agus C. Eugene Walker. Basic Skills and Professional Issues in Clinical Psychology. Boston: Allyn and Bacon, 1997.
Lua MLA (9ú heag.)Matthews, Janet R., agus C. Eugene Walker. Basic Skills and Professional Issues in Clinical Psychology. Allyn and Bacon, 1997.
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