Hoza, Jack.,  <br/><br/>
It's not what you sign, it's how you sign it:   politeness in American Sign Language 

 - x, 235 pages :   illustrations ;   23 cm 
<br/><br/><label>ISBN: </label>9781563683527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>American Sign Language.
<br/><br/><label>Dewey Class. No.: </label>419.7