Não informado. (1951). Building research in Canada. National Research Council, Division of Building Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Building Research in Canada. Ottawa: National Research Council, Division of Building Research, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Building Research in Canada. National Research Council, Division of Building Research, 1951.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.