APA-čujuhus (7. p.)
Schmidt, S. W., & Shelley,Mack G. (2001). American Government and politics today (2001-2002.). Wadsworth.
Chicago-čujuhus (17. p.)
Schmidt, Steffen W., juo Shelley,Mack G. American Government and Politics Today. 2001-2002. Canada: Wadsworth, 2001.
MLA-čujuhus (9. p.)
Schmidt, Steffen W., juo Shelley,Mack G. American Government and Politics Today. 2001-2002. Wadsworth, 2001.
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