Powers, M. (1956). Mental power through sleep suggestion and controlled relaxation: Two techniques of reaching and influencing the subconscious (5th ed.). Wilshire.
Citace podle Chicago (17th ed.)Powers, Melvin. Mental Power Through Sleep Suggestion and Controlled Relaxation: Two Techniques of Reaching and Influencing the Subconscious. 5th ed. Hollywood, Calif: Wilshire, 1956.
Citace podle MLA (9th ed.)Powers, Melvin. Mental Power Through Sleep Suggestion and Controlled Relaxation: Two Techniques of Reaching and Influencing the Subconscious. 5th ed. Wilshire, 1956.
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