APA
"UN E. C. A. D., "UN E. C. A. D., . (1976). Energy conservation. Paris: Organisation for Economic Cooperation and Development International Energy.
Chicago
"UN ECONOMIC CO-OPERATION AND DEVELOPMENT", "UN ECONOMIC CO-OPERATION AND DEVELOPMENT", . 1976. Energy conservation. Paris: Organisation for Economic Cooperation and Development International Energy.
Harvard
"UN E. C. A. D., "UN E. C. A. D., . (1976). Energy conservation. Paris: Organisation for Economic Cooperation and Development International Energy.
MLA
"UN ECONOMIC CO-OPERATION AND DEVELOPMENT", "UN ECONOMIC CO-OPERATION AND DEVELOPMENT", . Energy conservation. Paris: Organisation for Economic Cooperation and Development International Energy. 1976.