APA-čujuhus (7. p.)
Amy, D. J. (2000). Behind the ballot box: A citizen's guide to voting systems. Praeger.
Chicago-čujuhus (17. p.)
Amy, Douglas J. Behind the Ballot Box: A Citizen's Guide to Voting Systems. Westport, Conn.: Praeger, 2000.
MLA-čujuhus (9. p.)
Amy, Douglas J. Behind the Ballot Box: A Citizen's Guide to Voting Systems. Praeger, 2000.
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