Gaya APA

al., B, K, W, E. (1995). USING INFORMATION TECHNOLOGY: A. PRACTICAL INTRODUCTION TO COMPUTER & COMMUNICATIONS . usa: mc graw hill.

Gaya MLA

al., Brian, K., Williams,, Et.. "USING INFORMATION TECHNOLOGY: A. PRACTICAL INTRODUCTION TO COMPUTER & COMMUNICATIONS". usa: mc graw hill, 1995. Text.