SINGH SUKHPAL. (2005). POLITICAL ECONOMY OF CONTRACT FARMING IN INDIA. ALLIED PUBLISHERS PVT.LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH SUKHPAL. POLITICAL ECONOMY OF CONTRACT FARMING IN INDIA. NEW DELHI: ALLIED PUBLISHERS PVT.LIMITED, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH SUKHPAL. POLITICAL ECONOMY OF CONTRACT FARMING IN INDIA. ALLIED PUBLISHERS PVT.LIMITED, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.