APA Style
Birdsall, Stephen S. ().
Garis Besar Geografi Amerika .
:
United States Department Of State.
Chicago Style
Birdsall, Stephen S.
Garis Besar Geografi Amerika.
:
United States Department Of State,
.
Text.
MLA Style
Birdsall, Stephen S.
Garis Besar Geografi Amerika.
:
United States Department Of State,
.
Text.
Turabian Style
Birdsall, Stephen S.
Garis Besar Geografi Amerika.
:
United States Department Of State,
.
Print.