Gaya APA
Hug, , K, E.
().
Garis Besar Ekonomi Amerika Serikat
(
1)
.
:
Office of International Information Programs.
Gaya MLA
Hug, , Kathleen, E..
"Garis Besar Ekonomi Amerika Serikat".
1
:
Office of International Information Programs,
.
Buku Teks.