Grammar and usage/ 
Penelope Choy...[et al.]. 
 - 1st Canadian ed. 
 - Ontario:  Thomson Nelson,  1998. 
 - viii,310 p.; 
<br/><br/><label>ISBN: </label>077473602X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language.
<br/><br/><label>LC Class. No.: </label>PE1112 .C48 1998