Kelley, D. L. (1999). Measurement made accessible: A research approach using qualitative, quantitative, & quality improvement methods. Sage.
Chicago-Zitierstil (17. Ausg.)Kelley, D. Lynn. Measurement Made Accessible: A Research Approach Using Qualitative, Quantitative, & Quality Improvement Methods. Thousand Oaks [u.a.]: Sage, 1999.
MLA-Zitierstil (9. Ausg.)Kelley, D. Lynn. Measurement Made Accessible: A Research Approach Using Qualitative, Quantitative, & Quality Improvement Methods. Sage, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.