Cita APA (7th ed.)

Jones, G., & Gorell, R. (2018). 50 top tools for coaching: A complete toolkit for developing and empowering people (Fourth edition.). KoganPage.

Cita Chicago (17th ed.)

Jones, Gillian, i Ro Gorell. 50 Top Tools for Coaching: A Complete Toolkit for Developing and Empowering People. Fourth edition. London: KoganPage, 2018.

Cita MLA (9th ed.)

Jones, Gillian, i Ro Gorell. 50 Top Tools for Coaching: A Complete Toolkit for Developing and Empowering People. Fourth edition. KoganPage, 2018.