Werts, J. E. (1954). Statistical methods in educational and psycohological research. Appleton-Century-Crofts.
Chicago (17e ed.) BronvermeldingWerts, James E. Statistical Methods in Educational and Psycohological Research. New York: Appleton-Century-Crofts, 1954.
MLA (9e ed.) BronvermeldingWerts, James E. Statistical Methods in Educational and Psycohological Research. Appleton-Century-Crofts, 1954.
Let op: Deze citaties zijn niet altijd 100% accuraat.