Parent, J. M. (2011). Uniting States: Voluntary union in World politics. U. pr..
Chicago-čujuhus (17. p.)Parent, Joseph M. Uniting States: Voluntary Union in World Politics. Oxford: U. pr., 2011.
MLA-čujuhus (9. p.)Parent, Joseph M. Uniting States: Voluntary Union in World Politics. U. pr., 2011.
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