Pentagon's reference library punctuation book  
Pentagon 
 - New Delhi :  Pentagon Press,  2004. 
 - 112 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>8186830308 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Punctuation.
<br/><br/><label>Dewey Class. No.: </label>411