David, K. (1993). The Framework Conditions Affecting Urban Development in the Federal Republic of Germany: Uran Planning Law.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavid, Karl-Heinz. The Framework Conditions Affecting Urban Development in the Federal Republic of Germany: Uran Planning Law. Oldenburg, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavid, Karl-Heinz. The Framework Conditions Affecting Urban Development in the Federal Republic of Germany: Uran Planning Law. 1993.
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