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.
.