TY  - BOOK
AU  - Long,Ralph Bernard,1906-.
TI  - Structure worksheets for contemporary English, to accompany The sentence and its parts, a grammar of contemporary English
U1  - 425/L853st 
PY  - 1963///
CY  - Chicago, Estados Unidos 
PB  - University of Chicago Press.
KW  - LENGUA INGLESA - GRAMATICA
ER  -