APA (7 वां संस्करण) प्रशस्ति पत्र

(2012). EU energy in figures: Statistical pocketbook ... / European Commission, Energy. Publ. Off. of the Europ. Union.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

EU Energy in Figures: Statistical Pocketbook ... / European Commission, Energy. Luxembourg: Publ. Off. of the Europ. Union, 2012.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

EU Energy in Figures: Statistical Pocketbook ... / European Commission, Energy. Publ. Off. of the Europ. Union, 2012.