Longford, N. T. (1995). Models for uncertainity in educational testing. Springer-Verlag.
Chicago Style citaatLongford, Nicholas T. Models for Uncertainity in Educational Testing. New York: Springer-Verlag, 1995.
MLA citatieLongford, Nicholas T. Models for Uncertainity in Educational Testing. Springer-Verlag, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.