APA (7 ম সংস্করণ) উদ্ধৃতি

European Commission. Directorate-General for Energy and Transport. (2005). Report on the green paper on energy: Four years of European initiatives. Office for Official Publications of the European Communities.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

European Commission. Directorate-General for Energy and Transport. Report on the Green Paper on Energy: Four Years of European Initiatives. Luxembourg: Office for Official Publications of the European Communities, 2005.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

European Commission. Directorate-General for Energy and Transport. Report on the Green Paper on Energy: Four Years of European Initiatives. Office for Official Publications of the European Communities, 2005.

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