Austad, C.S. (2009) Counseling and psychotherapy today: theory, practice, and research. New York: McGraw-Hill Higher Education.
Berne, E. (2010) Games people play: the psychology of human relationships. London: Penguin Books.
Corey, G. and California State University (2013) Theory and practice of counseling and psychotherapy. 9th ed., Student ed. Belmont, California: Brooks/Cole.
Holmes, J. (2001) The search for the secure base: attachment theory and psychotherapy. Hove, East Sussex: Routledge.
McDermott, I., Jago, W., and ebrary, Inc (2001) Brief NLP therapy [electronic resource]. London: Sage Publications. Available at: https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=254686.
McLeod, J. (2009) An introduction to counselling. 4th ed. Maidenhead, Berkshire: McGraw-Hill/Open University Press.
Sommers-Flanagan, J. and Sommers-Flanagan, R. (2012) Counseling and psychotherapy theories in context and practice: skills, strategies, and techniques. 2nd ed. Hoboken, New Jersey: John Wiley.
