SINGH RAVISHANKAR KUMAR. (2005). POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. ABHIJEET PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH RAVISHANKAR KUMAR. POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. DELHI: ABHIJEET PUBLICATIONS, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH RAVISHANKAR KUMAR. POVERTY AND SUSTAIBABLR DEVELOPMENT VOL.2. ABHIJEET PUBLICATIONS, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.