Campbell, J. E. a. G. (2000). Before the vote: Forecasting American national elections. SAGE Publications, Inc..
Chicagoスタイル(17版)引用形式Campbell, James E. and Garand. Before the Vote: Forecasting American National Elections. Thousand Oaks, California: SAGE Publications, Inc., 2000.
MLA(9版)引用形式Campbell, James E. and Garand. Before the Vote: Forecasting American National Elections. SAGE Publications, Inc., 2000.
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