Levin, J. (2003). Elementary statistics in social research. Pearson Education.
Chicago (17e ed.) BronvermeldingLevin, Jack. Elementary Statistics in Social Research. Pearson Education, 2003.
MLA (8e ed.) BronvermeldingLevin, Jack. Elementary Statistics in Social Research. Pearson Education, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.