APA
Stair R., . (2009). Introduction to information systems. [Place of publication not identified]: Cengage Learning.
Chicago
Stair Ralph, . 2009. Introduction to information systems. [Place of publication not identified]: Cengage Learning.
Harvard
Stair R., . (2009). Introduction to information systems. [Place of publication not identified]: Cengage Learning.
MLA
Stair Ralph, . Introduction to information systems. [Place of publication not identified]: Cengage Learning. 2009.