Trahan Mary <br/><br/>
Focus on Psychology:  A Guide to Mastering Peter Gray's Psychology/ 
Mary Trahan. 
 - 3rd ed. 
 - New York:  Worth Publishers;  1999. 
 - xiii,297p.; 
<br/><br/><label>ISBN: </label>1572597011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>LC Class. No.: </label>BF 121 .T73 1999