Gaya APA
Bellin, David. (1989).
The Structured Systems Development Manual (1).
:
.
Gaya Chicago
Bellin, David.
The Structured Systems Development Manual.
1
:
,
1989.
Text.
Gaya MLA
Bellin, David.
The Structured Systems Development Manual.
1
:
,
1989.
Text.
Gaya Turabian
Bellin, David.
The Structured Systems Development Manual.
1
:
,
1989.
Print.