APA način citiranja (7. izdanje)
(2000). Energy policies of IEA countries: Portugal 2000 review. International Energy Agency.
Čikaški stil citiranja (17. izdanje)
Energy Policies of IEA Countries: Portugal 2000 Review. Paris, Cedex, France: International Energy Agency, 2000.
MLA način citiranja (9. izdanje)
Energy Policies of IEA Countries: Portugal 2000 Review. International Energy Agency, 2000.
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