World Energy Conference Munich, Germany. (1980). Energy for our world. Organizing Committee, 11th World Energy Conference.
Chicago-viite (17. p.)World Energy Conference Munich, Germany. Energy for Our World. London: Organizing Committee, 11th World Energy Conference, 1980.
MLA-viite (9. p.)World Energy Conference Munich, Germany. Energy for Our World. Organizing Committee, 11th World Energy Conference, 1980.
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