International Energy Agency (IEA) & Organisation for Economic Co-operation and Development (OECD). (1992). Energy policies. Czech and Slovak Federal Republic. OECD/IEA.
Chicago-referens (17:e uppl.)International Energy Agency (IEA) och Organisation for Economic Co-operation and Development (OECD). Energy Policies. Czech and Slovak Federal Republic. Paris: OECD/IEA, 1992.
MLA-referens (8:e uppl.)International Energy Agency (IEA) och Organisation for Economic Co-operation and Development (OECD). Energy Policies. Czech and Slovak Federal Republic. OECD/IEA, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.