APA

Williams B., Sawyer S. C., . (2011). Using information technology. New York: McGraw Hill.

Chicago

Williams Brian, Sawyer Stacey C, . 2011. Using information technology. New York: McGraw Hill.

Harvard

Williams B., Sawyer S. C., . (2011). Using information technology. New York: McGraw Hill.

MLA

Williams Brian, Sawyer Stacey C, . Using information technology. New York: McGraw Hill. 2011.