Gaya APA
Birdsall, Stephen S.. ().
Garis Besar Geografi Amerika (Cet. 1).
:
US Department State.
Gaya Chicago
Birdsall, Stephen S..
Garis Besar Geografi Amerika.
Cet. 1
:
US Department State,
.
Text.
Gaya MLA
Birdsall, Stephen S..
Garis Besar Geografi Amerika.
Cet. 1
:
US Department State,
.
Text.
Gaya Turabian
Birdsall, Stephen S..
Garis Besar Geografi Amerika.
Cet. 1
:
US Department State,
.
Print.