Gaya APA
Encyclopedia Americana : Volume 7 ( Civilization to Coronium ). (1980).
Amerika:
Grolier International.
Gaya Chicago
Encyclopedia Americana : Volume 7 ( Civilization to Coronium ).
Volume 7.
Amerika:
Grolier International,
1980.
Buku.
Gaya MLA
Encyclopedia Americana : Volume 7 ( Civilization to Coronium ).
Volume 7.
Amerika:
Grolier International,
1980.
Buku.
Gaya Turabian
Encyclopedia Americana : Volume 7 ( Civilization to Coronium ).
Amerika:
Grolier International,
1980.
Buku.