Gaya APA
BENTLEY, L, D., WHITTEN, J, L. (2007).
System analysis and design for the global enterprise (7th ed.).
Boston:
McGraw-Hill.
Gaya MLA
BENTLEY, Lonnie, D.., WHITTEN, Jeffrey, L..
"System analysis and design for the global enterprise".
7th ed.
Boston:
McGraw-Hill,
2007.
Buku.