APA Style
Nohlen, Dieter, اورویل ، جیورج. ().
Elections and Electoral Systems. .
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Chicago Style
Nohlen, Dieter, اورویل ، جیورج.
Elections and Electoral Systems..
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MLA Style
Nohlen, Dieter, اورویل ، جیورج.
Elections and Electoral Systems..
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.
Turabian Style
Nohlen, Dieter, اورویل ، جیورج.
Elections and Electoral Systems..
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.