Penggayaan APA
POPKIN, GARY S. (1983).
Advanced structured cobol .
Boston:
Kent Publishing Company.
Chicago Style
POPKIN, GARY S.
Advanced structured cobol.
Boston:
Kent Publishing Company,
1983.
Text.
MLA Style
POPKIN, GARY S.
Advanced structured cobol.
Boston:
Kent Publishing Company,
1983.
Text.
Turabian Style
POPKIN, GARY S.
Advanced structured cobol.
Boston:
Kent Publishing Company,
1983.
Print.