Christophersen P. <br/><br/>
An advanced english grammar. 

 - ed. 
 - London :  Macmillan,  1969. 
 - 278  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>english grammar.