Henshaw. Environmental History of the Hudson River. State University of New York Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHenshaw. Environmental History of the Hudson River. State University of New York Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHenshaw. Environmental History of the Hudson River. State University of New York Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.