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