Gaya APA
Ahmadi, C., Hermawan, D.
(2017).
E-Business & E-Commerce
.
YOGYAKARTA:
ANDI.
Gaya MLA
Ahmadi, Candra., Hermawan, Dadang.
"E-Business & E-Commerce".
YOGYAKARTA:
ANDI,
2017.
Buku.