Gaya APA
Bonno, John A.. (1982).
Introduction to cobol (text).
Texas:
Business Publications.
Gaya Chicago
Bonno, John A..
Introduction to cobol.
text
Texas:
Business Publications,
1982.
.
Gaya MLA
Bonno, John A..
Introduction to cobol.
text
Texas:
Business Publications,
1982.
.
Gaya Turabian
Bonno, John A..
Introduction to cobol.
text
Texas:
Business Publications,
1982.
.