Williams, B., Sawyer, S., Hutchinson, S. Using Information Technology. Chicago etc.: IRWIN, 1997 602 p. il. 0-256-20981-2.
Williams, B., Sawyer, S., Hutchinson, S. Using Information Technology. Chicago etc.: IRWIN, 1997 602 p. il. 0-256-20981-2.
Williams, B., Sawyer, S., Hutchinson, S. (1997) Using Information Technology, Chicago etc.: IRWIN 602 p. il. 0-256-20981-2.
Williams, B., Sawyer, S., & Hutchinson, S. (1997). Using Information Technology. A Practical Introduction to Computers and Communications. Chicago etc.: IRWIN, 602 p. il.
Williams B, Sawyer S, Hutchinson S. Using Information Technology: A Practical Introduction to Computers and Communications. Chicago etc.: IRWIN; 1997. p. 602 p. il. ISBN: 0-256-20981-2.