Neuman, W. L. (1997). Social research methods: Qualitative and quantitative approaches (3rd ed.). allyn and Bacon.
Chicago Style (17. basım) AtıfNeuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. 3rd ed. Boston: allyn and Bacon, 1997.
MLA (8th ed.) AtıfNeuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. 3rd ed. allyn and Bacon, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..