TY  - BOOK
AU  - Aspelmeier,JE
AU  - Pierce,TW
TI  - SPSS : a user friendly approach
SN  - 9781429224185
PY  - 2010///
CY  - New York 
PB  - Worth, 
KW  - Spss
KW  - Statistical method
KW  - Statistics
ER  -