APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, International Energy Agency, & ProQuest (Firm). (2013). Germany: 2013 review. OECD/IEA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, International Energy Agency, और ProQuest (Firm). Germany: 2013 Review. [Paris]: OECD/IEA, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, et al. Germany: 2013 Review. OECD/IEA, 2013.
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