Yang, Jizhou <br/><br/>
Hanyu Jiaocheng 1B / 
Yang Jizhou, Hu Bo 
 - 2nd ed. 
 - Ha Noi :  National University Press,   2013 
 - 231 p.;   27 cm. 
<br/><br/><label>ISBN: </label>9786049344107 
<br/><br/><label>Dewey Class. No.: </label> / H252