Gupta, P., & Mahler, W. (1994). Taxation of Petroleum Products: Theory and Empirical Evidence. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGupta, Poonam, और Walter Mahler. Taxation of Petroleum Products: Theory and Empirical Evidence. Washington, D.C.: International Monetary Fund, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGupta, Poonam, और Walter Mahler. Taxation of Petroleum Products: Theory and Empirical Evidence. International Monetary Fund, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.