Não informado. (2004). Highways and Road Construction. IPC Business Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Highways and Road Construction. London: IPC Business Press, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Highways and Road Construction. IPC Business Press, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.