Citazione Stile APA (7a Edizione)

WILLIAMS, B. K. (2001). USING INFORMATION TECHNOLOGY: A PRACTICAL APPROACH TO COMPUTERS. LISHING CO.LTD.

Citazione stile Chigago Style (17a edizione)

WILLIAMS, B K. USING INFORMATION TECHNOLOGY: A PRACTICAL APPROACH TO COMPUTERS. NEW DELHI: LISHING CO.LTD, 2001.

Citatione MLA (9a ed.)

WILLIAMS, B K. USING INFORMATION TECHNOLOGY: A PRACTICAL APPROACH TO COMPUTERS. LISHING CO.LTD, 2001.