Gaya APA
Litecky, Charles R., Davis, Gordon B.. (1987).
Structured COBOL : a step by step approach .
New York:
McGraw-Hill.
Gaya Chicago
Litecky, Charles R., Davis, Gordon B..
Structured COBOL : a step by step approach.
New York:
McGraw-Hill,
1987.
Text.
Gaya MLA
Litecky, Charles R., Davis, Gordon B..
Structured COBOL : a step by step approach.
New York:
McGraw-Hill,
1987.
Text.
Gaya Turabian
Litecky, Charles R., Davis, Gordon B..
Structured COBOL : a step by step approach.
New York:
McGraw-Hill,
1987.
Print.