Kam, Chuan Aik <br/><br/>
Longman dictionary of grammar and usage / 
Kam Chuan Aik, Kam Kai Aik. 
 - 2nd ed. 
 - Singapore :  Pearson Education Asia,  1999. 
 - xxii, 362p. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Study and teaching<br/>English language--Errors and usage--Study and teaching