Howitt Dennis <br/><br/>
An Introduction To Statistics In Psychology A Complete Guide For Students  
Dennis Howitt And Duncan Cramer 
 - London :   Prentice Hall :  1997. 
 - 377p  18cm 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0132398230 (Pbk) Us 24 
<br/><br/><label>LC Class. No.: </label>BF39 HOW 1997