Bhatnagar, M. (2008). Payment for environmental services. ICFAI University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBhatnagar, Meenu. Payment for Environmental Services. Hyderabad: ICFAI University Press, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBhatnagar, Meenu. Payment for Environmental Services. ICFAI University Press, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.