Leone, R. (1976). Environmental controls: The impact on industry. Lexington Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeone, Robert. Environmental Controls: The Impact on Industry. Lexington, Mass: Lexington Books, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeone, Robert. Environmental Controls: The Impact on Industry. Lexington Books, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.