(1994). World Energy Outlook. international Energy Agency.
Chicagoスタイル(17版)引用形式World Energy Outlook. New York: international Energy Agency, 1994.
MLA(9版)引用形式World Energy Outlook. international Energy Agency, 1994.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式