Autor: Dr. Johanna Friesenhahn
Coaching Magazin 1/2019
Autor: Dr. Johanna Friesenhahn & Miles Taylor
Coaching Magazin 3/2019
Autor: Dr. Johanna Friesenhahn ISBN 978-3-658-16272-6
Coaching Magazin 4/2015
Coaching Magazin 2/2015
ISBN 978-3-8017-2608-9