Walton, Charles. <br/><br/>
Sama verbal semantics :  classification, derivation and inflection / 
Charles Walton. 
 - Manila :  Linguistic Society of the Phillipine,  1986. 
 - 139 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sama languages--Semantics.