Não informado. (1977). De/Domestic engineering. Construction Industry Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. De/Domestic Engineering. Briarcloff Manor, NY: Construction Industry Press, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. De/Domestic Engineering. Construction Industry Press, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.