(1998). Joint planning for Berlin and Brandenburg. Ministry for Environmental Affairs, Nature Conservation and Regional Planning Press and Public Relations Department.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJoint Planning for Berlin and Brandenburg. Berlin: Ministry for Environmental Affairs, Nature Conservation and Regional Planning Press and Public Relations Department, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJoint Planning for Berlin and Brandenburg. Ministry for Environmental Affairs, Nature Conservation and Regional Planning Press and Public Relations Department, 1998.
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