Beer, Samuel H., author
Alfred A. Knopf, 1966
Buku Teks
Jones, Bill, author
Manchester University Press, 1993
Buku Teks
Jones, Bill, author
Manchester University Press, 1991
Buku Teks
Madgwick, P.J., author
Stanley Thornes, 1992
Buku Teks
Punnett, R.M., author
Dartmouth, 1994
Buku Teks