TY  - BOOK
AU  - Ma, Yamin 
AU  - Li, Xinying 
TI  - Easy steps to chinese 7 textbook: simplified characters version
SN  - 9787561927915
AV  - TR IB PL 1129  .Y19 2010
PY  - 2010///
CY  - Beijing : China
PB  - Beijing Language and Culture University Press
ER  -