Trask, R. L. <br/><br/>
Language change / 
R. L. Trask. 
 - London :  Routledge,  1994. 
 - vii, 93 p. ;  25 cm. 
 - Language Workbooks. .
<br/><br/>p. 81-85. 
<br/><br/><label>ISBN: </label>0415085632  RM28.81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistic change.