Bischof, L. J. (1964). Interpreting personality theories. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Bischof, Ledford J. Interpreting Personality Theories. New York: Harper & Row, 1964.
Lua MLA (9ú heag.)Bischof, Ledford J. Interpreting Personality Theories. Harper & Row, 1964.
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