TY  - BOOK
AU  - Cohen,Ronald Jay
AU  - Swerdlik,Mark E.
AU  - Smith,Douglas K.
TI  - Psychological testing and assessment: an introduction to test and measurement 
SN  - 0-87484-983-7
AV  - BF176 C64 1992
PY  - 1992///
CY  - Moutain View, Calif.
PB  - Mayfield
N1  - Incluye bibliografia
ER  -