Gaya APA

Williams, B, K., C, I, S, S. (2010). Using information technology: a practical introduction to computers & communications . New York: Mc Graw Hill Education.

Gaya MLA

Williams, Brian, K., C, I., Sawyer,, Stacey. "Using information technology: a practical introduction to computers & communications". New York: Mc Graw Hill Education, 2010. .