Asher, Herbert B. <br/><br/>
Causal modeling 
Herbert B. Asher 
 - 2nd ed. 
 - Newbury Park  Sage Publications  1983 
 - 96 p.  gráf.  22 
 - A Sage University paper  Quantitative applications in the social sciences  3 .
<br/><br/>Inclúe referencias bibliográficas (p. 92-96) 
<br/><br/><label>ISBN: </label>0-8039-0654-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estatística