Universidad de Aconcagua – Sistema de Bibliotecas:
<br/>
<br/>Manual of psychiatric emergencies / 
Steven E. Hyman, George E. Tesar 
 - 3rd ed. 
 - Boston :  Little, Brown and Company,  1994. 
 - xv, 354 p. 
 - (Little, Brown Spiral Manual) .
 - (Little, Brown Spiral Manual) .