Pennings, P., Keman, H., & Kleinnijenhuis, J. (1999). Doing research in political science: An introduction to comparative methods and statistics. SAGE Publications.
Chicago-Zitierstil (17. Ausg.)Pennings, Paul, Hans Keman, und J. Kleinnijenhuis. Doing Research in Political Science: An Introduction to Comparative Methods and Statistics. London: SAGE Publications, 1999.
MLA-Zitierstil (9. Ausg.)Pennings, Paul, et al. Doing Research in Political Science: An Introduction to Comparative Methods and Statistics. SAGE Publications, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.