Powell, J. (1969). Why am I afraid to tell you who I am?: (Insights on self-awareness, personal growth and interpersonal communication). Argus Communications.
Citace podle Chicago (17th ed.)Powell, John. Why Am I Afraid to Tell You Who I Am?: (Insights on Self-awareness, Personal Growth and Interpersonal Communication). Chicago: Argus Communications, 1969.
Citace podle MLA (8th ed.)Powell, John. Why Am I Afraid to Tell You Who I Am?: (Insights on Self-awareness, Personal Growth and Interpersonal Communication). Argus Communications, 1969.
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