Gaya APA
Clack, George, Hug, Kathleen E., Sumantri Ar. ([s.a.]).
Garis besar ekonomi Amerika Serikat .
[S.l.]:
[s.n.].
Gaya Chicago
Clack, George, Hug, Kathleen E., Sumantri Ar.
Garis besar ekonomi Amerika Serikat.
[S.l.]:
[s.n.],
[s.a.].
Text.
Gaya MLA
Clack, George, Hug, Kathleen E., Sumantri Ar.
Garis besar ekonomi Amerika Serikat.
[S.l.]:
[s.n.],
[s.a.].
Text.
Gaya Turabian
Clack, George, Hug, Kathleen E., Sumantri Ar.
Garis besar ekonomi Amerika Serikat.
[S.l.]:
[s.n.],
[s.a.].
Print.