Gaya APA
The encyclopedia Americana, volume 9. (1975).
:
Americana Corporation.
Gaya Chicago
The encyclopedia Americana, volume 9.
.
:
Americana Corporation,
1975.
Art Original.
Gaya MLA
The encyclopedia Americana, volume 9.
.
:
Americana Corporation,
1975.
Art Original.
Gaya Turabian
The encyclopedia Americana, volume 9.
:
Americana Corporation,
1975.
Art Original.