Zimmerman. Interstate Cooperation, Second Edition. State University of New York Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZimmerman. Interstate Cooperation, Second Edition. State University of New York Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZimmerman. Interstate Cooperation, Second Edition. State University of New York Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.