Gaya APA
System analysis and design. (2003).
New Delhi:
Prentice Hall.
Gaya Chicago
System analysis and design.
5.
New Delhi:
Prentice Hall,
2003.
Buku.
Gaya MLA
System analysis and design.
5.
New Delhi:
Prentice Hall,
2003.
Buku.
Gaya Turabian
System analysis and design.
New Delhi:
Prentice Hall,
2003.
Buku.