Hubner, H. (2013). Hard diplomacy and soft coercion: Russia's influence abroad. Chatham House.
Chicago-čujuhus (17. p.)Hubner, Hans. Hard Diplomacy and Soft Coercion: Russia's Influence Abroad. London, England: Chatham House, 2013.
MLA-čujuhus (9. p.)Hubner, Hans. Hard Diplomacy and Soft Coercion: Russia's Influence Abroad. Chatham House, 2013.
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