FOSTER BILL. (1998). COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER.
Chicago-čujuhus (17. p.)FOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. NEW DELHI: WHEELER, 1998.
MLA-čujuhus (9. p.)FOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.