Butterworth, Rod. <br/><br/>
Signing made easy :  a complete program for learning language, includes sentence drills and exercises for increased comprehension and signing skill / 
Rod Butterworth and Mickey Flodin. 
 - New York, NY :  Perigee Books ,  1989. 
 - 224 p.  ill.  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0399514902  10.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sign language--Study and teaching.<br/>Sign language--Problems, exercises, etc.