APA Style
Marakas, George M., O'Brien, James A.. (2007).
Introduction to information systems (13th ed.).
Boston ::
McGraw-Hill/Irwin.
Chicago Style
Marakas, George M., O'Brien, James A..
Introduction to information systems.
13th ed.
Boston ::
McGraw-Hill/Irwin,
2007.
Text.
MLA Style
Marakas, George M., O'Brien, James A..
Introduction to information systems.
13th ed.
Boston ::
McGraw-Hill/Irwin,
2007.
Text.
Turabian Style
Marakas, George M., O'Brien, James A..
Introduction to information systems.
13th ed.
Boston ::
McGraw-Hill/Irwin,
2007.
Print.