Gaya APA
Cobol Workbook: A Self-Study Introduction To The Cobol Programming Language. (1984).
London:
Edword Arnold.
Gaya Chicago
Cobol Workbook: A Self-Study Introduction To The Cobol Programming Language.
~.
London:
Edword Arnold,
1984.
Buku.
Gaya MLA
Cobol Workbook: A Self-Study Introduction To The Cobol Programming Language.
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London:
Edword Arnold,
1984.
Buku.
Gaya Turabian
Cobol Workbook: A Self-Study Introduction To The Cobol Programming Language.
London:
Edword Arnold,
1984.
Buku.