Gaya APA

Williams, . et al (1997). Using Information Technology: a Practical Introduction to Computers and Communications (Ed.2.--). United States of America: Ricahrd D. Irwin.

Gaya MLA

Williams, . et al. "Using Information Technology: a Practical Introduction to Computers and Communications". Ed.2.-- United States of America: Ricahrd D. Irwin, 1997. Buku.