Gaya APA
Cole, B, L. (1993).
Encyclopedia Americana 11 : Diedit oleh Barbara Letta Cole .
Danbury:
Grolier Incorporated.
Gaya MLA
Cole, Barbara, Letta..
"Encyclopedia Americana 11 : Diedit oleh Barbara Letta Cole".
Danbury:
Grolier Incorporated,
1993.
Buku.