Ministry of Education and Science of Ukraine, Sumy State University, & Economic Research Centre. (2007). Економіка для екології: "Economics for Ecology" ISCS'2007.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMinistry of Education and Science of Ukraine, Sumy State University, और Economic Research Centre. Економіка для екології: "Economics for Ecology" ISCS'2007. 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMinistry of Education and Science of Ukraine, et al. Економіка для екології: "Economics for Ecology" ISCS'2007. 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.