Gaya APA
Statistik perdagangan ( trade statistics ). (2010).
:
.
Gaya Chicago
Statistik perdagangan ( trade statistics ).
.
:
,
2010.
Laporan.
Gaya MLA
Statistik perdagangan ( trade statistics ).
.
:
,
2010.
Laporan.
Gaya Turabian
Statistik perdagangan ( trade statistics ).
:
,
2010.
Laporan.