Gaya APA

Williams, B, K., Sawyer, S, C. (2003). Using Informations Technology Complete Versions (5). New York: McGraw-hill IRWIN.

Gaya MLA

Williams, Brian, K.., Sawyer, Stacey, C.. "Using Informations Technology Complete Versions". 5 New York: McGraw-hill IRWIN, 2003. Text.