APA
"UNITED NATION E. A. S. A., "UNITED NATION E. A. S. A., . (1969). Study of power generation based on the utilization of low grade fuels in Developing countries. New: York United Nations USA.
Chicago
"UNITED NATION ECONOMIC AND SOCIAL AFFAIRS", "UNITED NATION ECONOMIC AND SOCIAL AFFAIRS", . 1969. Study of power generation based on the utilization of low grade fuels in Developing countries. New: York United Nations USA.
Harvard
"UNITED NATION E. A. S. A., "UNITED NATION E. A. S. A., . (1969). Study of power generation based on the utilization of low grade fuels in Developing countries. New: York United Nations USA.
MLA
"UNITED NATION ECONOMIC AND SOCIAL AFFAIRS", "UNITED NATION ECONOMIC AND SOCIAL AFFAIRS", . Study of power generation based on the utilization of low grade fuels in Developing countries. New: York United Nations USA. 1969.