Gaya APA
Modell, Martin E.. (1988).
A Professional's guide to systems analysis .
Singapore:
McGraw-Hill.
Gaya Chicago
Modell, Martin E..
A Professional's guide to systems analysis.
Singapore:
McGraw-Hill,
1988.
Text.
Gaya MLA
Modell, Martin E..
A Professional's guide to systems analysis.
Singapore:
McGraw-Hill,
1988.
Text.
Gaya Turabian
Modell, Martin E..
A Professional's guide to systems analysis.
Singapore:
McGraw-Hill,
1988.
Print.