Lefton Lester A <br/><br/>
Mastering psychology. 
Lefton Lester A; Valvantne Laura 
 - 3 
 - Boston  Allyn And Bacon          1988 
 - xxv,700p.  cm. 
<br/><br/><label>Standard No.: </label>138703 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S, M8