Herrera, W. (2016). Politicy of the new government in the Andean integration.
Čikaški stil citiranja (17. izdanje)Herrera, Washington. Politicy of the New Government in the Andean Integration. 2016.
MLA način citiranja (9. izdanje)Herrera, Washington. Politicy of the New Government in the Andean Integration. 2016.
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