TY  - BOOK
AU  - Graham,Judith H.
AU  - Graham,Daniel Orrin,Jr
TI  - The writing system workbook: a step-by-step guide for businessand technical writers 
SN  - 0-9644495-0-1
AV  - T11 G73
PY  - 1994///
CY  - Fairfax, Va.
PB  - Preview
N1  - Incluye bibliografia
ER  -