Roeder, J. L. (1980). Energy for the future (2nd ed.). [Calhoun School Science Dept.].
Chicago-viite (17. p.)Roeder, John L. Energy for the Future. 2nd ed. New York: [Calhoun School Science Dept.], 1980.
MLA-viite (9. p.)Roeder, John L. Energy for the Future. 2nd ed. [Calhoun School Science Dept.], 1980.
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