Gaya APA
E-Commerce di sentra penjualan handphone WTC. (2006).
Surabaya:
.
Gaya Chicago
E-Commerce di sentra penjualan handphone WTC.
-.
Surabaya:
,
2006.
.
Gaya MLA
E-Commerce di sentra penjualan handphone WTC.
-.
Surabaya:
,
2006.
.
Gaya Turabian
E-Commerce di sentra penjualan handphone WTC.
Surabaya:
,
2006.
.