Peilou, E.C.
John Wiley & Sons, 1979
Buku Teks
Cox, C. Barry, author
Blackwell, 1995
Buku Teks
Brown, James H., author
Mosby, 1983
Buku Teks
Cox, C. Barry, author
Blackwell, [Date of publication not identified]
Buku Teks
edited by A.A. Myers and P.S. Giller
Chapman & Hall, 1988
Buku Teks