Gaya APA
American Government : Basic Document and Materials. (1950).
:
.
Gaya Chicago
American Government : Basic Document and Materials.
.
:
,
1950.
Text.
Gaya MLA
American Government : Basic Document and Materials.
.
:
,
1950.
Text.
Gaya Turabian
American Government : Basic Document and Materials.
:
,
1950.
Print.