Burbank, Lucille. <br/><br/>
Lettering Instructional Materials. 

 - Washington-WAU :   Clearinghouse,   1982. 
 - p. 11 
 - Irregular 
 - No. 38 (Jun.1982) 
 - Development communication report ;   no. 38 .
<br/><br/><br/>Inglés.