Gaya APA
Ansi Structured Cobol : An Introduction. (1986).
:
.
Gaya Chicago
Ansi Structured Cobol : An Introduction.
.
:
,
1986.
Text.
Gaya MLA
Ansi Structured Cobol : An Introduction.
.
:
,
1986.
Text.
Gaya Turabian
Ansi Structured Cobol : An Introduction.
:
,
1986.
Print.