Gaya APA

Williams, B, K., Sawyer, S, C. (2011). Using Information Technology : A Practical Introduction To Computers & Communications (9). New York: Mc Graw Hill.

Gaya MLA

Williams, Brian, K., Sawyer, Stacey, C. "Using Information Technology : A Practical Introduction To Computers & Communications". 9 New York: Mc Graw Hill, 2011. Text.