FOLLETT ROBERT. (1978). HOW TO KEEP SCORE IN BUSINESS. MENTOR BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFOLLETT ROBERT. HOW TO KEEP SCORE IN BUSINESS. NEW YORK: MENTOR BOOKS, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFOLLETT ROBERT. HOW TO KEEP SCORE IN BUSINESS. MENTOR BOOKS, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.