Pilgrim, A. (1998). Upgrade and repair your PC. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPilgrim, Aubrey. Upgrade and Repair Your PC. New York: McGraw-Hill, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPilgrim, Aubrey. Upgrade and Repair Your PC. McGraw-Hill, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.