APA (7 ম সংস্করণ) উদ্ধৃতি

International Energy Agency (IEA) & Organisation for Economic Co-operation and Development (OECD). (1992). Energy policies. Czech and Slovak Federal Republic. OECD/IEA.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

International Energy Agency (IEA) এবং Organisation for Economic Co-operation and Development (OECD). Energy Policies. Czech and Slovak Federal Republic. Paris: OECD/IEA, 1992.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

International Energy Agency (IEA) এবং Organisation for Economic Co-operation and Development (OECD). Energy Policies. Czech and Slovak Federal Republic. OECD/IEA, 1992.