TY  - BOOK
AU  - Jianfei Ma
TI  - Essentials in communication 4
SN  - 978 7 561 91482 3
U1  - 495 1 ESS 
PY  - 2006///
CY  - Beijing
PB  -   Beijing yu yan da xue chu ban she
KW  - CHINESE LANGUAGE CONVERSATION AND PHRASE BOOKS ENGLISH
ER  -