Platt, Heidi. <br/><br/>
Better ways to express politeness / 
Heidi Platt. 
 - Singapore :  Federal publications,  1994. 
 - 114 p. :  ill. ;  19 cm. 
<br/><br/><label>ISBN: </label>9810122659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Express politeness.
<br/><br/><label>Dewey Class. No.: </label>177.1  / PLB 1994