Neuman, W. L. (2007). Basics of social research: Qualitative and quantitative approaches (2° edición.). Pearson Education.
Chicago-čujuhus (17. p.)Neuman, W. Lawrence. Basics of Social Research: Qualitative and Quantitative Approaches. 2° edición. Boston: Pearson Education, 2007.
MLA-čujuhus (9. p.)Neuman, W. Lawrence. Basics of Social Research: Qualitative and Quantitative Approaches. 2° edición. Pearson Education, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.