1. S. Freud, Recommendations to Physicians Practicing Psychoanalysis In J. Strachey (Ed. & Trans.), The Standard Edition of the Complete Psychological Works of Sigmund Freud, vol. 12. London: Hogarth Press, pp. 109-121, 1912.
2. F. Summers, The Psychoanalytic Vision: The Experiencing Subject, Transcendence, and the Therapeutic Process. New York: Routledge, pp. 5-16, 2013.
3. S. Akhtar, Psychoanalytic Listening: Methods, Limits, and Innovations. London: Karnac Books, pp. 1-15, 2013.
4. S. Freud, "Introductory Lectures on Psychoanalysis. In J. Strachey (Ed. & Trans.),"The Standard Edition of the Complete Psychological Works of Sigmund Freud. London: Hogarth Press, vol. 17, pp. 7-124, 1917.
5. G. Westland, Verbal and Non-verbal Communication in Psychotherapy. New York: W. W. Norton & Company, pp. 92-95, 2015.