Koch, Rachel Spack <br/><br/>
Focus on grammar :  An advanced course for reference and practice : Workbook / 
Rachel Spack Koch , Keith S. Folse. 
 - 2nd ed. 
 - White Plains, N. Y. :  Longman,  2000. 
 - v. 
<br/><br/> vol. B. (2000 , 218 p.) 
<br/><br/><label>ISBN: </label>0-201-38316-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grammar