FOSTER BILL. (1998). COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. NEW DELHI: WHEELER, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFOSTER BILL. COACHING FOR PEAK EMPLOYEE PERFORMANCE. WHEELER, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.