Gudschinsky, Sarah C. <br/><br/>
How to learn an unwritten language / 
by Sarah C. Gudschinsky. 
 - New York :  Rinehart and Winston,  1967. 
 - xii, 64 p. ;  24 cm. 
 - Studies in anthropological method. .
 - Studies in anthropological method. .
<br/><br/>Bibliography: p. 61-62. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching