Vasileva, K., & Sartori, F. (2008). Acquisition of citizenship in European Union. Statistics in focus: Population and social conditions.
Čikaški stil citiranja (17. izdanje)Vasileva, Katya, i Fabio Sartori. "Acquisition of Citizenship in European Union." Statistics in Focus: Population and Social Conditions 2008.
MLA način citiranja (8. izdanje)Vasileva, Katya, i Fabio Sartori. "Acquisition of Citizenship in European Union." Statistics in Focus: Population and Social Conditions, 2008.
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