Doyle, J. S. (1999). The business coach: A game plan for the new work environment. John Wiley & Sons, Inc.
Lua i Stíl Chicago (17ú heag.)Doyle, James S. The Business Coach: A Game Plan for the New Work Environment. New York: John Wiley & Sons, Inc, 1999.
Lua MLA (9ú heag.)Doyle, James S. The Business Coach: A Game Plan for the New Work Environment. John Wiley & Sons, Inc, 1999.
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