Stanier, Roger Y., author
Prentice-Hall, 1963
Buku Teks
Dixon, Bernard
W.H. Freeman 1994, 1994
Buku Teks
edited by David Greenwood
Churchill Livingstone, 1995
Buku Teks
edited by S.T. Cowan and L.R. Hill
Cambridge University Press, 1978
Buku Referensi
Linton, Alan H., author
John Wiley & Sons, 1982
Buku Teks