Leibenstein, H. (1978). General X-efficiency theory and economic development. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeibenstein, Harvey. General X-efficiency Theory and Economic Development. Oxford University Press, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeibenstein, Harvey. General X-efficiency Theory and Economic Development. Oxford University Press, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.