Schnell, R., & Naock, M. (2014). The Accuracy of Pre-Election Polling of German General Elections. Methoden, Daten, Analysen : MDA : Zeitschrift für empirische Sozialforschung.
Citazione stile Chigago Style (17a edizione)Schnell, Rainer, e Marcel Naock. "The Accuracy of Pre-Election Polling of German General Elections." Methoden, Daten, Analysen : MDA : Zeitschrift Für Empirische Sozialforschung 2014.
Citatione MLA (8a ed.)Schnell, Rainer, e Marcel Naock. "The Accuracy of Pre-Election Polling of German General Elections." Methoden, Daten, Analysen : MDA : Zeitschrift Für Empirische Sozialforschung, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.