Gaya APA
Preludes. (sa).
Washington:
International Communication Agency.
Gaya Chicago
Preludes.
.
Washington:
International Communication Agency,
sa.
Buku.
Gaya MLA
Preludes.
.
Washington:
International Communication Agency,
sa.
Buku.
Gaya Turabian
Preludes.
Washington:
International Communication Agency,
sa.
Buku.