Kirschenbaum, H. (1977). Advanced value clarification. UNIVERSITY ASSOCIATES.
Čikaški stil citiranja (17. izdanje)Kirschenbaum, Howard. Advanced Value Clarification. UNIVERSITY ASSOCIATES, 1977.
MLA način citiranja (8. izdanje)Kirschenbaum, Howard. Advanced Value Clarification. UNIVERSITY ASSOCIATES, 1977.
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