Gaya APA
USTADIYANTO, R.
(2002).
Framework E-Commerce
(
1)
.
Yogyakarta:
Andi Yogyakarta.
Gaya MLA
USTADIYANTO, RIYEKE.
"Framework E-Commerce".
1
Yogyakarta:
Andi Yogyakarta,
2002.
Text.