Gaya APA
Birdsall, Stephen S.. (1992).
Outline of American Geography (4).
San Francisco:
John Wiley & Sons.
Gaya Chicago
Birdsall, Stephen S..
Outline of American Geography.
4
San Francisco:
John Wiley & Sons,
1992.
Text.
Gaya MLA
Birdsall, Stephen S..
Outline of American Geography.
4
San Francisco:
John Wiley & Sons,
1992.
Text.
Gaya Turabian
Birdsall, Stephen S..
Outline of American Geography.
4
San Francisco:
John Wiley & Sons,
1992.
Print.