European Investment Bank. (2021). EIB financing and borrowing activities 2020. European Investment Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. EIB Financing and Borrowing Activities 2020. European Investment Bank, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Investment Bank. EIB Financing and Borrowing Activities 2020. European Investment Bank, 2021.
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