Internal revenue acts. [Online] 

 - Online 
<br/><br/> Westlaw / Westlaw Next  Para actualizar versión impresa consulte la Base de Datos de Westlaw/Westlaw Next. Requiere Login y Password 
 = Internal revenue acts 
 = Intern. revenue acts 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internal revenue law--United States.
<br/><br/><label>LC Class. No.: </label>KF 6276  / .526 A19