Gaya APA
Litecky, Charles R. (1977).
Sructured Cobol : a step by step approach .
New York:
Gordon B. Davis.
Gaya Chicago
Litecky, Charles R.
Sructured Cobol : a step by step approach.
New York:
Gordon B. Davis,
1977.
Text.
Gaya MLA
Litecky, Charles R.
Sructured Cobol : a step by step approach.
New York:
Gordon B. Davis,
1977.
Text.
Gaya Turabian
Litecky, Charles R.
Sructured Cobol : a step by step approach.
New York:
Gordon B. Davis,
1977.
Print.