APA Style
Cobol a structured approach. (1981).
:
Columbus : Charles E. Merrill.
Chicago Style
Cobol a structured approach.
.
:
Columbus : Charles E. Merrill,
1981.
.
MLA Style
Cobol a structured approach.
.
:
Columbus : Charles E. Merrill,
1981.
.
Turabian Style
Cobol a structured approach.
:
Columbus : Charles E. Merrill,
1981.
.