Gaya APA

Hutchinson, S, E., Sawyer, S, C. (1996). Computers and Information systems (5 ed). United States of America: Irwin Timer Mirror Higher Education Group.

Gaya MLA

Hutchinson, Sarah, E.., Sawyer, Stacey, C. "Computers and Information systems". 5 ed United States of America: Irwin Timer Mirror Higher Education Group, 1996. Text.