APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.