Sapp, M. (2006). Basic Psychological Measurement, Research Designs, and Statistics Without Math. Charles C Thomas Publisher, LTD.
Chicago-Zitierstil (17. Ausg.)Sapp, Marty. Basic Psychological Measurement, Research Designs, and Statistics Without Math. Springfield: Charles C Thomas Publisher, LTD, 2006.
MLA-Zitierstil (9. Ausg.)Sapp, Marty. Basic Psychological Measurement, Research Designs, and Statistics Without Math. Charles C Thomas Publisher, LTD, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.