APA (7 ম সংস্করণ) উদ্ধৃতি

International energy agency. (2002). World energy outlook 2002. Organisation economic cooperation and development.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

International energy agency. World Energy Outlook 2002. France: Organisation economic cooperation and development, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

International energy agency. World Energy Outlook 2002. Organisation economic cooperation and development, 2002.