Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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