Stone, G. L. (1986). Counseling psychology: Perspectives and functions. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Stone, Gerald L. Counseling Psychology: Perspectives and Functions. Monterey, Calif: Brooks/Cole, 1986.
Lua MLA (9ú heag.)Stone, Gerald L. Counseling Psychology: Perspectives and Functions. Brooks/Cole, 1986.
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