Beigel, J. K., & Earle, R. (1990). Successful private practice in the 1990s: A new guide for the mental health professional. Brunner/Mazel.
Lua i Stíl Chicago (17ú heag.)Beigel, Joan Kaye, agus Ralph Earle. Successful Private Practice in the 1990s: A New Guide for the Mental Health Professional. New York: Brunner/Mazel, 1990.
Lua MLA (8ú heag.)Beigel, Joan Kaye, agus Ralph Earle. Successful Private Practice in the 1990s: A New Guide for the Mental Health Professional. Brunner/Mazel, 1990.
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