Hopper, Paul J. Traugott, Elizabeth Closs <br/><br/>
Grammaticalization 

 - 2nd ed., 3rd print. 
 - Cambridge  Cambridge University Press  2006 
 - 276 s.   23 cm.  10AMe-HopP-Gra 
<br/><br/><label>ISBN: </label>521804213 9780521804219