Gaya APA
USTADIYANTO, Riyeke. (2002).
E-Business Plan .
Yogyakarta:
Andi.
Gaya Chicago
USTADIYANTO, Riyeke.
E-Business Plan.
Yogyakarta:
Andi,
2002.
Text.
Gaya MLA
USTADIYANTO, Riyeke.
E-Business Plan.
Yogyakarta:
Andi,
2002.
Text.
Gaya Turabian
USTADIYANTO, Riyeke.
E-Business Plan.
Yogyakarta:
Andi,
2002.
Print.