273096 Starr, J. (2008). The coaching manual: The definitive guide to the process, principles & skills of personal coaching. Harlow, England : Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)273096 Starr, Julie. The Coaching Manual: The Definitive Guide to the Process, Principles & Skills of Personal Coaching. Harlow, England : Pearson Prentice Hall, 2008.
Lua MLA (9ú heag.)273096 Starr, Julie. The Coaching Manual: The Definitive Guide to the Process, Principles & Skills of Personal Coaching. Harlow, England : Pearson Prentice Hall, 2008.
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