TY  - BOOK
AU  - Trager,Edith Crowell
AU  - Henderson,Sara Cook
TI  - The PD's: pronunciation drills for learners of English 
SN  - 0877890080
PY  - 1956///
CY  - Partland, Oregon
PB  - English Language Services
KW  - English language
KW  - Pronunciation
KW  - Textbooks for foreigners
N1  - Cover title :- Pronunciation drills for learners of English
ER  -