Gaya APA
CATAPULT, .
(1998).
Step by Step Microsoft Exchange 5.0
.
Jakarta:
PT Elex Media Komputindo Kelompok Gramedia.
Gaya MLA
CATAPULT, .
"Step by Step Microsoft Exchange 5.0".
Jakarta:
PT Elex Media Komputindo Kelompok Gramedia,
1998.
Text.