Gaya APA

Williams, B, K., Sawyer, S, C. (1995). using informan technology (5th Ed.). New York: McGraw-Hill Higher Education.

Gaya MLA

Williams, Brian, K.., Sawyer, Stacey, C.. "using informan technology". 5th Ed. New York: McGraw-Hill Higher Education, 1995. Text Book Informatika.