Zhang, Phyllis Ni, (et.al.) <br/><br/>
David and Helen in China = [Dawei he Hailin zai Zhongguo : zhong ji Han yu jiao cai] 
Phyllis Ni Zhang; Yuan-Yuan Meng; Donald K Chang; Irene C Liu 
 - New Haven, CT  Far Eastern Publications, Yale University  2003 
 - 2 v. : ill. ; 28 cm. + 1 CD-ROM. 
<br/><br/><label>ISBN: </label>9780887102165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chinese language -- Textbooks for foreign speakers -- English
<br/><br/><label>Dewey Class. No.: </label>495.182421 ZHA