Gaya APA
Cole, Barbara Letta.. (1993).
Encyclopedia Americana 27 : Diedit oleh Barbara Letta Cole .
Danbury:
Grolier Incorporated.
Gaya Chicago
Cole, Barbara Letta..
Encyclopedia Americana 27 : Diedit oleh Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.
Gaya MLA
Cole, Barbara Letta..
Encyclopedia Americana 27 : Diedit oleh Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.
Gaya Turabian
Cole, Barbara Letta..
Encyclopedia Americana 27 : Diedit oleh Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.