Gaya APA
Nelson, K, Y. (1987).
Running 4word: A Guide for All Users of Lotus 1-2-3 .
California:
Osborne McGraw-Hill.
Gaya MLA
Nelson, Kay, Yarborough.
"Running 4word: A Guide for All Users of Lotus 1-2-3".
California:
Osborne McGraw-Hill,
1987.
Text.