HAIDUK, H. P., & ROSS, P. W. (1991). Instructor's manual and key for increasing your produc-tivity with lotus release 2.2. Glencoe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAIDUK, H. Paul, और Paul W. ROSS. Instructor's Manual and Key for Increasing Your Produc-tivity with Lotus Release 2.2. Lake Forest: Glencoe, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAIDUK, H. Paul, और Paul W. ROSS. Instructor's Manual and Key for Increasing Your Produc-tivity with Lotus Release 2.2. Glencoe, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.