Yankura, J., & Dryden, W. (1994). Albert Ellis. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Yankura, Joseph, agus Windy Dryden. Albert Ellis. London ; Thousand Oaks, Calif.: Sage Publications, 1994.
Lua MLA (9ú heag.)Yankura, Joseph, agus Windy Dryden. Albert Ellis. Sage Publications, 1994.
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