Schnell, R., & Naock, M. (2014). The Accuracy of Pre-Election Polling of German General Elections. Methoden, Daten, Analysen : MDA : Zeitschrift für empirische Sozialforschung.
Čikaški stil citiranja (17. izdanje)Schnell, Rainer, i Marcel Naock. "The Accuracy of Pre-Election Polling of German General Elections." Methoden, Daten, Analysen : MDA : Zeitschrift Für Empirische Sozialforschung 2014.
MLA način citiranja (8. izdanje)Schnell, Rainer, i Marcel Naock. "The Accuracy of Pre-Election Polling of German General Elections." Methoden, Daten, Analysen : MDA : Zeitschrift Für Empirische Sozialforschung, 2014.
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