APA-čujuhus (7. p.)
Ballard, C. L. (2010). Michigan's economic future: A new look. Michigan State University Press.
Chicago-čujuhus (17. p.)
Ballard, Charles L. Michigan's Economic Future: A New Look. East Lansing: Michigan State University Press, 2010.
MLA-čujuhus (9. p.)
Ballard, Charles L. Michigan's Economic Future: A New Look. Michigan State University Press, 2010.
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