Howe, C. W. (1979). Natural resource economics: Issues, analysis and policy. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowe, Charles W. Natural Resource Economics: Issues, Analysis and Policy. Wiley, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHowe, Charles W. Natural Resource Economics: Issues, Analysis and Policy. Wiley, 1979.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.