Barnes, R.S.K.
Blackwell Scientific Publications, 1988
Buku Teks
Brewer, Richard
Saunders College Publishing, 1994
Buku Teks
Ehrlich, Paul R.
Macmillan, 1987
Buku Teks
Kormondy, Edward J.
Prentice-Hall, 1976
Buku Teks
Krohne, David T.
Brook/Cole, 2001
Buku Teks