Powers, M. (1971). Mental power through sleep suggestion and controlled relaxation: Two techniques of reaching and influencing the subconscious. Wilshire.
Chicago-Zitierstil (17. Ausg.)Powers, Melvin. Mental Power Through Sleep Suggestion and Controlled Relaxation: Two Techniques of Reaching and Influencing the Subconscious. Hollywood, Calif: Wilshire, 1971.
MLA-Zitierstil (9. Ausg.)Powers, Melvin. Mental Power Through Sleep Suggestion and Controlled Relaxation: Two Techniques of Reaching and Influencing the Subconscious. Wilshire, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.