European Investment Bank. (2022). European Investment Bank Activity Report 2021: The innovation response. European Investment Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. European Investment Bank Activity Report 2021: The Innovation Response. European Investment Bank, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. European Investment Bank Activity Report 2021: The Innovation Response. European Investment Bank, 2022.
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