Gaya APA
Widjaja, Gunawan. (2008).
Exchange Trade Fund di Indonesia .
Jakarta:
Rajawali press.
Gaya Chicago
Widjaja, Gunawan.
Exchange Trade Fund di Indonesia.
Jakarta:
Rajawali press,
2008.
Buku.
Gaya MLA
Widjaja, Gunawan.
Exchange Trade Fund di Indonesia.
Jakarta:
Rajawali press,
2008.
Buku.
Gaya Turabian
Widjaja, Gunawan.
Exchange Trade Fund di Indonesia.
Jakarta:
Rajawali press,
2008.
Buku.