(2007). Organisationsberatung, Supervision, Coaching. Organisationsberatung, Supervision, Coaching.
芝加哥风格引文"Organisationsberatung, Supervision, Coaching." Organisationsberatung, Supervision, Coaching 2007.
MLA引文"Organisationsberatung, Supervision, Coaching." Organisationsberatung, Supervision, Coaching, 2007.
警告：这些引文格式不一定是100％准确.