APA-čujuhus (7. p.)
Kirschenbaum, H. The Life and Work of Carl Rogers. PCCS Books.
Chicago-čujuhus (17. p.)
Kirschenbaum, Howard. The Life and Work of Carl Rogers. Herefordshire, Inglaterra: PCCS Books.
MLA-čujuhus (9. p.)
Kirschenbaum, Howard. The Life and Work of Carl Rogers. PCCS Books.
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