Gaya APA
ustadiyanto, Riyeke. (2007).
Strategi Internet Marketing .
Yogyakarta:
.
Gaya Chicago
ustadiyanto, Riyeke.
Strategi Internet Marketing.
Yogyakarta:
,
2007.
.
Gaya MLA
ustadiyanto, Riyeke.
Strategi Internet Marketing.
Yogyakarta:
,
2007.
.
Gaya Turabian
ustadiyanto, Riyeke.
Strategi Internet Marketing.
Yogyakarta:
,
2007.
.