European Investment Bank. (2021). European Investment Bank Activity Report 2020.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. European Investment Bank Activity Report 2020. 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. European Investment Bank Activity Report 2020. 2021.
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