(1977). World energy outlook. Paris: OECD.
Trích dẫn kiểu ChicagoWorld Energy Outlook. Paris: OECD, 1977.
MLA引文World Energy Outlook. Paris: OECD, 1977.
警告：这些引文格式不一定是100％准确.
APA引文
(1977). World energy outlook. Paris: OECD.
Trích dẫn kiểu ChicagoWorld Energy Outlook. Paris: OECD, 1977.
MLA引文World Energy Outlook. Paris: OECD, 1977.