Hernández, David D. <br/><br/>
Methodological considerations underlying the definition of the "Puerto Rican syndrome" / by David D. Hernández [and] Pedro Vales. 

 - New York  [s.n.]  1973. 
 - 18 p. 
<br/><br/>Bibliography : p. 18. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science research--Methodology.<br/>Personality and culture<br/>Socialization
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Social conditions.