Easy Mandarin 1 / 
Chua, Corazon Koh; Chan, Margareth Joy C. 
 - 1st ed. 
 - Manila :  Rex Book Store Inc.,  2011. 
 - vi, 138 p.; 27.3 cm. 
<br/><br/>Includes references 
<br/><br/><label>ISBN: </label>9789712360473 
<br/><br/><label>Dewey Class. No.: </label>Fil 495.1 C559 2011