Gaya APA
Conte, C. (1981).
Garis Besar Ekonomi Amerika Serikat (Pertama).
U.S. Department Of State:
Office Of International Information programs.
Gaya MLA
Conte, Christopher.
"Garis Besar Ekonomi Amerika Serikat".
Pertama
U.S. Department Of State:
Office Of International Information programs,
1981.
Text.