Gaya APA
McGrath, Roger R, Ralph M. Stair. (1984).
Essentials of COBOL programming .
Amerika Serikat:
Richard D. Irwin, Inc.
Gaya Chicago
McGrath, Roger R, Ralph M. Stair.
Essentials of COBOL programming.
Amerika Serikat:
Richard D. Irwin, Inc,
1984.
Text.
Gaya MLA
McGrath, Roger R, Ralph M. Stair.
Essentials of COBOL programming.
Amerika Serikat:
Richard D. Irwin, Inc,
1984.
Text.
Gaya Turabian
McGrath, Roger R, Ralph M. Stair.
Essentials of COBOL programming.
Amerika Serikat:
Richard D. Irwin, Inc,
1984.
Print.