Gaya APA
Chan, E.
(1990).
Lotus 1.2.3 Release 2.10
(
1)
.
Yogyakarta:
LPPM AMIK-ASTER.
Gaya MLA
Chan, Erinaldi.
"Lotus 1.2.3 Release 2.10".
1
Yogyakarta:
LPPM AMIK-ASTER,
1990.
Buku Analog.