Communication link  a dictionary of signs /  [Texte imprimé] : 
[Cath Smith, David Hodgson, Steven Goodman, Karen Barr... et al.] 
 - Middlesbourgh:  Beverly School for Deaf Children,  1998 
 - 226 p. :  couv. ill., ill. ;  30 cm 
<br/><br/><label>ISBN: </label>1-871832-01-2 
<br/><br/><label>Dewey Class. No.: </label>302.222