Jacobson, E. (1929). Progressive relaxation: A physiological and clinical investigation of muscular states and their significance in psychology and medical practice. The University of Chicago Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Jacobson, Edmund. Progressive Relaxation: A Physiological and Clinical Investigation of Muscular States and Their Significance in Psychology and Medical Practice. Chicago, Ill.: The University of Chicago Press, 1929.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Jacobson, Edmund. Progressive Relaxation: A Physiological and Clinical Investigation of Muscular States and Their Significance in Psychology and Medical Practice. The University of Chicago Press, 1929.
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