Clinical psychology.  concepts, methods, and profession / 
Timothy J. Trull, E. Jerry Phares. 
 - 6th ed. 
 - Belmont, CA :   Wadsworth/Thomson Learning,   2001. 
<br/><br/><label>ISBN: </label>9780534549756 
<br/><br/><label>LC Class. No.: </label>RC467  / .T78 2001