DENTON D KEITH. (1991). HORIZONTAL MANAGEMENT: BEYOND TOTAL CUSTOMER SATISFACTION. LEXINGTON BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDENTON D KEITH. HORIZONTAL MANAGEMENT: BEYOND TOTAL CUSTOMER SATISFACTION. NEW YORKS: LEXINGTON BOOKS, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDENTON D KEITH. HORIZONTAL MANAGEMENT: BEYOND TOTAL CUSTOMER SATISFACTION. LEXINGTON BOOKS, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.