Neuman, W. L. (2007). Basics of Social Research: Qualitative and Quantitative Approaches / W. Lawrence Neuman. Pearson.
Chicago-viite (17. p.)Neuman, W. Lawrence. Basics of Social Research: Qualitative and Quantitative Approaches / W. Lawrence Neuman. Pearson, 2007.
MLA-viite (8. p.)Neuman, W. Lawrence. Basics of Social Research: Qualitative and Quantitative Approaches / W. Lawrence Neuman. Pearson, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.