Gaya APA
Purbo, Onno W.. (2001).
MENGENAL eCOMMERCE .
Jakarta:
.
Gaya Chicago
Purbo, Onno W..
MENGENAL eCOMMERCE.
Jakarta:
,
2001.
Text.
Gaya MLA
Purbo, Onno W..
MENGENAL eCOMMERCE.
Jakarta:
,
2001.
Text.
Gaya Turabian
Purbo, Onno W..
MENGENAL eCOMMERCE.
Jakarta:
,
2001.
Print.