Cita APA (7a ed.)
Kirschenbaum, H. The Life and Work of Carl Rogers. PCCS Books.
Cita estilo Chicago (17a ed.)
Kirschenbaum, Howard. The Life and Work of Carl Rogers. Herefordshire, Inglaterra: PCCS Books.
Cita MLA (9a ed.)
Kirschenbaum, Howard. The Life and Work of Carl Rogers. PCCS Books.
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