BERNE, Eric. Games people play : the psychology of human relationships. London: Penguin Books, c1964.
ISBN 0-14-002768-8 .
BALCAR, Jiří. Soft skills and their importance on the Czech labour market. Ostrava: VŠB-TU Ostrava, 2018.
ISBN 978-80-248-4245-5.
GALLO, Carmine. The Presentation Secrets of Steve Jobs: How to Be Insanely Great in Front of Any Audience. New York: McGraw Hill Professional, 2009.
ISBN 9780071636759 .
FORSYTH, Patrick. Successful Time Management: How to be Organized, Productive and Get Things Done. London: Kogan Page Publishers, 2019.
ISBN 9780749498887 .
MEHRABIAN, Albert. Nonverbal Communication. London: Routledge, 2017.
ISBN 9781351308717 .
MŰHLFEIT, Jan & Melina COSTI. The Positive Leader: How Energy and Happiness Fuel Top-Performing Teams. London: Pearson, 2017.
ISBN 9781292166155 .
MORRIS, Desmond. Peoplewatching. London: Vintage, 2002.
ISBN 978-009-942978-4 .
MORRIS, Desmond. The human animal: a personal view of the human species, 1994. London: BBC Books.
ISBN 978-056-337021-5 .