APA Style
O'Brien, James. (1998).
Introduction to information systems.-- 12th ed. .
:
.
Chicago Style
O'Brien, James.
Introduction to information systems.-- 12th ed..
:
,
1998.
.
MLA Style
O'Brien, James.
Introduction to information systems.-- 12th ed..
:
,
1998.
.
Turabian Style
O'Brien, James.
Introduction to information systems.-- 12th ed..
:
,
1998.
.