TY  - BOOK
AU  - Watkins,Floyd C.
AU  - Dilligham,William B.
TI  - Practical English Handbook
SN  - 0395492629
PY  - 1989///
CY  - Boston : 
PB  - Houghton Mifflin Co., 
KW  - INGLES-GRAMATICA
N1  - Instructor's annotated edition
ER  -