APA
World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), . (1993). Energy for tomorrow's world. New York: St. Martin's Press U S A.
Chicago
World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), . 1993. Energy for tomorrow's world. New York: St. Martin's Press U S A.
Harvard
World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), . (1993). Energy for tomorrow's world. New York: St. Martin's Press U S A.
MLA
World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), World Energy Council Commission (1989) (Chairman : H J Ager-Hanssen), . Energy for tomorrow's world. New York: St. Martin's Press U S A. 1993.
