APA aipamena

Christian Van Nieuwerburgh. (2017). An introduction to coaching skills: A practical guide (2nd.). Sage.

Chicago Style aipamena

Christian Van Nieuwerburgh. An Introduction to Coaching Skills: A Practical Guide. 2nd. London: Sage, 2017.

MLA aipamena

Christian Van Nieuwerburgh. An Introduction to Coaching Skills: A Practical Guide. 2nd. Sage, 2017.