(1979). Handbook Of Building Security Planning And Design Editor Peter S Hopf. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHandbook Of Building Security Planning And Design Editor Peter S Hopf. McGraw-Hill, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHandbook Of Building Security Planning And Design Editor Peter S Hopf. McGraw-Hill, 1979.
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