Dyfyniad APA

European Investment Bank. (2019). Ten years of the Vienna Initiative: 2009-2019. European Investment Bank.

Dyfyniad Arddull Chicago

European Investment Bank. Ten Years of the Vienna Initiative: 2009-2019. European Investment Bank, 2019.

Dyfyniad MLA

European Investment Bank. Ten Years of the Vienna Initiative: 2009-2019. European Investment Bank, 2019.

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