Gaya APA
A, H.
(1990).
Case and aplications in lotus 1-2-3 : release 2,2.2 and 3
.
Homewood:
Irwin.
Gaya MLA
A, Holt,Jack.
"Case and aplications in lotus 1-2-3 : release 2,2.2 and 3".
Homewood:
Irwin,
1990.
Text.