Neuman, W. L. (1994). Social research methods: Qualitative and quantitative approaches (Second edition.). Allyn and Bacon.
Chicago-Zitierstil (17. Ausg.)Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Second edition. Boston: Allyn and Bacon, 1994.
MLA-Zitierstil (9. Ausg.)Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Second edition. Allyn and Bacon, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.