APA Style
Cobol Basics : a structured approach. (1980).
Indonesia:
Elex Media Komputindo.
Chicago Style
Cobol Basics : a structured approach.
1st edition.
Indonesia:
Elex Media Komputindo,
1980.
Text.
MLA Style
Cobol Basics : a structured approach.
1st edition.
Indonesia:
Elex Media Komputindo,
1980.
Text.
Turabian Style
Cobol Basics : a structured approach.
Indonesia:
Elex Media Komputindo,
1980.
Print.