Cita APA (7a ed.)
(2000). Black sea energy survey. Intermational Energy Agency.
Cita Chicago Style (17a ed.)
Black Sea Energy Survey. Paris, Cedex, France: Intermational Energy Agency, 2000.
Cita MLA (9a ed.)
Black Sea Energy Survey. Intermational Energy Agency, 2000.
Precaución: Estas citas no son 100% exactas.