Bell, Charles G.
The Dorsey Press, 1980
Buku Teks
Ridley, Mark, author
Blackwell Scientific, , 1993"
Buku Teks
Sammon, Paul M., author
Orion Media, 1999
Buku Teks
Schenk, Gretchen Knief, author
American Library Association, 1954
Buku Teks
Ishimaru, F.T.
[T.t.] [T.p.] 1938
Buku Teks