Rose, Richard, 1933-
Scott, Foreman, 1989
Buku Teks
Jones, Bill
Manchester University Press, 1993
Buku Teks
Jones, Bill
Manchester University Press, 1991
Buku Teks
Madgwick, P.J.
Stanley Thornes, 1992
Buku Teks
Punnett, R.M.
Dartmouth, 1994
Buku Teks