FOSTER BILL. (1998). COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER.
Chicago-referens (17:e uppl.)FOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. NEW DELHI: WHEELER, 1998.
MLA-referens (9:e uppl.)FOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.