Tohutoro APA (7th ed.)
Rogers Carl R. (1977). Carl Rogers on personal power (ed.). Delta Book.
Tohutoru Kātū Chicago (17th ed.)
Rogers Carl R. Carl Rogers on Personal Power. ed. New York: Delta Book, 1977.
Tohutoro MLA (9th ed.)
Rogers Carl R. Carl Rogers on Personal Power. ed. Delta Book, 1977.
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