Kronenburg,Robert. (2007). Flexible: Architecture that responds to change. Laurence King.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKronenburg,Robert. Flexible: Architecture That Responds to Change. London: Laurence King, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKronenburg,Robert. Flexible: Architecture That Responds to Change. Laurence King, 2007.
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