Gaya APA
Birdsall, Stephen S.. (1992).
Garis Besar Geografi Amerika (1992) .
[s.l]:
John Wiley & Sons.
Gaya Chicago
Birdsall, Stephen S..
Garis Besar Geografi Amerika (1992).
[s.l]:
John Wiley & Sons,
1992.
Printed Book.
Gaya MLA
Birdsall, Stephen S..
Garis Besar Geografi Amerika (1992).
[s.l]:
John Wiley & Sons,
1992.
Printed Book.
Gaya Turabian
Birdsall, Stephen S..
Garis Besar Geografi Amerika (1992).
[s.l]:
John Wiley & Sons,
1992.
Printed Book.