APA Style
Marakas, George M, O\'brien, James A. (2008).
Introduction to Information Systems/ fourteenth ed. .
New York:
McGraw-hill book company.
Chicago Style
Marakas, George M, O\'brien, James A.
Introduction to Information Systems/ fourteenth ed..
New York:
McGraw-hill book company,
2008.
Text.
MLA Style
Marakas, George M, O\'brien, James A.
Introduction to Information Systems/ fourteenth ed..
New York:
McGraw-hill book company,
2008.
Text.
Turabian Style
Marakas, George M, O\'brien, James A.
Introduction to Information Systems/ fourteenth ed..
New York:
McGraw-hill book company,
2008.
Print.