Gaya APA

WILLIAMS, B, K., SAWYER, S, C. (2003). Using information technology : A practical introduction to computers & communications (cet. 1). BOSTON: MC GRAW HILL.

Gaya MLA

WILLIAMS, Brian, K., SAWYER, Stecey, C. "Using information technology : A practical introduction to computers & communications". cet. 1 BOSTON: MC GRAW HILL, 2003. Text.