An Introduction contemporary linguistic analysis / 
Edited by O'Grady William . 
 - 5th ed. 
 - Toronto :  Pearson ,  2004. 
 - xvii,584 p.: 
<br/><br/><label>ISBN: </label>0321153944 
<br/><br/><label>LC Class. No.: </label>P121  / .C66 2004