Gaya APA
SHELLY, G, B, E. (1992).
Learning to Use Microcomputer Application : Lotus 1-2-3 Release 2.3 .
:
Danvers : Boyd & Fraser.
Gaya MLA
SHELLY, Gary, B.,, Et.al.
"Learning to Use Microcomputer Application : Lotus 1-2-3 Release 2.3".
:
Danvers : Boyd & Fraser,
1992.
Book.