TY  - BOOK
AU  - English Languages Services
TI  - English 900
U1  - 420.7 
PY  - 0000///[n.d]
CY  - New York
PB  - Macmillan
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Study and teaching
N1  - Book 1
ER  -