TY  - BOOK
AU  - Perkins,E.E.
TI  - Punctuation: a programmed approach 
SN  - 0538054700
AV  - PE1450 .P44 1982
PY  - 1982///
CY  - Cincinnati
PB  - South-Western Publishing Company
KW  - Punctuation
KW  - Rhetoric
ER  -