Gaya APA
American Voice Westward Expansion. (2003).
:
.
Gaya Chicago
American Voice Westward Expansion.
.
:
,
2003.
Textbook.
Gaya MLA
American Voice Westward Expansion.
.
:
,
2003.
Textbook.
Gaya Turabian
American Voice Westward Expansion.
:
,
2003.
Textbook.