Brown, E. (1980). Geography: Yesterday and tomorrow. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrown, E.H. Geography: Yesterday and Tomorrow. Oxford University Press, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBrown, E.H. Geography: Yesterday and Tomorrow. Oxford University Press, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.