TY  - GEN
AU  - Pettijohn,James B.
TI  - Profit: user's guide 
SN  - 0030013143
AV  - QA76.6 
PY  - 1985///
CY  - Chicago
PB  - The Dryden Press
KW  - Programming languages (Computer)
KW  - Guide-books
ER  -