Não informado. (1974). American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Highway and Transportation Monthly. Washington: American Association of State Highway and Transportation Officials, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.