Buttress's world guide to abbreviations of organizations / 
revised by L. M. Pitman. 
 - 11. ed. 
 - [s. l.] :  Blakie Academic Professional,  1997. 
 - 1149 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asociaciones.<br/>Abreviaturas.