Cita APA (7a ed.)
(1979). Energy reserves and supplies in the ECE region: Present situations and perspectives. United Nations.
Cita Chicago Style (17a ed.)
Energy Reserves and Supplies in the ECE Region: Present Situations and Perspectives. New York: United Nations, 1979.
Cita MLA (9a ed.)
Energy Reserves and Supplies in the ECE Region: Present Situations and Perspectives. United Nations, 1979.
Precaución: Estas citas no son 100% exactas.