APA (7 वां संस्करण) प्रशस्ति पत्र

(2016). Energy, transport and environment indicators (2015 ed.). Publications Office of the European Union.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Energy, Transport and Environment Indicators. 2015 ed. Luxembourg: Publications Office of the European Union, 2016.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Energy, Transport and Environment Indicators. 2015 ed. Publications Office of the European Union, 2016.

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