Gaya APA

WILLIAMS, B, K., EFFENDY, E. (2003). USING INFORMATION TECHNOLOGY : A Practical Introduction to Computer & Communication / Brian K. Williams (Ed.6). Boston: McGraw-Hill.

Gaya MLA

WILLIAMS, Brian, K.., EFFENDY, Ek.Mokhtar. "USING INFORMATION TECHNOLOGY : A Practical Introduction to Computer & Communication / Brian K. Williams". Ed.6 Boston: McGraw-Hill, 2003. Text.