Gaya APA
WEISSKOPF, G.
(1991).
Mastering Quattro Pro 3
(
ed. 3)
.
SINGAPORE:
TECH PUBLICATIONS.
Gaya MLA
WEISSKOPF, Gene.
"Mastering Quattro Pro 3".
ed. 3
SINGAPORE:
TECH PUBLICATIONS,
1991.
Text.