Gaya APA
Sachs, J.
(1987).
Your IBM PC Made Easy, Includes IBM PC (Dos 2.0) PC XT
.
Singapore:
McGraw-Hill.
Gaya MLA
Sachs, Jonathan.
"Your IBM PC Made Easy, Includes IBM PC (Dos 2.0) PC XT".
Singapore:
McGraw-Hill,
1987.
Text.