Unesco & International Forum on New Technologies of Coal Utilization. (1983). Coal utilization: An international forum on new technologies. Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnesco और International Forum on New Technologies of Coal Utilization. Coal Utilization: An International Forum on New Technologies. Paris: Unesco, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnesco और International Forum on New Technologies of Coal Utilization. Coal Utilization: An International Forum on New Technologies. Unesco, 1983.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.