APA Style
Welburn, Tyler. (1986).
Structured COBOL : fundamentals and style (2).
USA:
Mayfield Publishing Company.
Chicago Style
Welburn, Tyler.
Structured COBOL : fundamentals and style.
2
USA:
Mayfield Publishing Company,
1986.
Text.
MLA Style
Welburn, Tyler.
Structured COBOL : fundamentals and style.
2
USA:
Mayfield Publishing Company,
1986.
Text.
Turabian Style
Welburn, Tyler.
Structured COBOL : fundamentals and style.
2
USA:
Mayfield Publishing Company,
1986.
Print.