KOPLAR, R. (1993). Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKOPLAR, Richard. Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKOPLAR, Richard. Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill, 1993.
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