European Investment Bank. (2019). Ten years of the Vienna Initiative: 2009-2019. European Investment Bank.
Čikaški stil citiranja (17. izdanje)European Investment Bank. Ten Years of the Vienna Initiative: 2009-2019. European Investment Bank, 2019.
MLA način citiranja (9. izdanje)European Investment Bank. Ten Years of the Vienna Initiative: 2009-2019. European Investment Bank, 2019.
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