KISHORE SWAPNA. (2001). SOFTWARE REQUIREMENTS AND ESTIMATION. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKISHORE SWAPNA. SOFTWARE REQUIREMENTS AND ESTIMATION. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKISHORE SWAPNA. SOFTWARE REQUIREMENTS AND ESTIMATION. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2001.
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