APA aipamena

Nieuwerburgh, C. v. (2017). An introduction to coaching skills: A practical guide. Sage.

Chicago Style aipamena

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

MLA aipamena

Nieuwerburgh, Christian van. An Introduction to Coaching Skills: A Practical Guide. Sage, 2017.