Gaya APA
Oetomo, B, S, D.
(2002).
E- EDUCATION
.
Yogyakarta:
ANDI Yogyakarta.
Gaya MLA
Oetomo, Budi, Sutedjo, Dharma.
"E- EDUCATION".
Yogyakarta:
ANDI Yogyakarta,
2002.
Text.