Organizacja Współpracy Gospodarczej i Rozwoju & International Energy Agency. (1982). Natural gas: Prospects to 2000. International Energy Agency : Organisation for Economic Co-operation and Development.
Citazione stile Chigago Style (17a edizione)Organizacja Współpracy Gospodarczej i Rozwoju e International Energy Agency. Natural Gas: Prospects to 2000. Paris: International Energy Agency : Organisation for Economic Co-operation and Development, 1982.
Citatione MLA (9a ed.)Organizacja Współpracy Gospodarczej i Rozwoju e International Energy Agency. Natural Gas: Prospects to 2000. International Energy Agency : Organisation for Economic Co-operation and Development, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.