Sheppard, S. R. (1989). Visual Simulation A User's Guide For Architects, Engineers And Planners Stephen R.j Sheppard. Van Nostrand Reinhold.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSheppard, Stephen R.J. Visual Simulation A User's Guide For Architects, Engineers And Planners Stephen R.j Sheppard. Van Nostrand Reinhold, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSheppard, Stephen R.J. Visual Simulation A User's Guide For Architects, Engineers And Planners Stephen R.j Sheppard. Van Nostrand Reinhold, 1989.
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