World Energy Conference Munich, Germany. (1980). Energy for our world. Organizing Committee, 11th World Energy Conference.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Energy Conference Munich, Germany. Energy for Our World. London: Organizing Committee, 11th World Energy Conference, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Energy Conference Munich, Germany. Energy for Our World. Organizing Committee, 11th World Energy Conference, 1980.
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