Gaya APA
American Perspectives: The United States in the Modern Age. (1990).
:
.
Gaya Chicago
American Perspectives: The United States in the Modern Age.
.
:
,
1990.
Text.
Gaya MLA
American Perspectives: The United States in the Modern Age.
.
:
,
1990.
Text.
Gaya Turabian
American Perspectives: The United States in the Modern Age.
:
,
1990.
Print.