Elder, A. J. (1977). Guide to the Building Regulations, 1976 (5th ed.). Architectural Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रElder, Albert Joseph. Guide to the Building Regulations, 1976. 5th ed. London: Architectural Press, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रElder, Albert Joseph. Guide to the Building Regulations, 1976. 5th ed. Architectural Press, 1977.
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