Atkins, Michael D., author
Macmillan, 1980
Buku Teks
Daly, Howell V., author
McGraw-Hill, 1978
Buku Teks
Leach, Julian Gilbert, author
McGraw-Hill, 1940
Buku Teks
Petherbridge, F.R., author
Cambridge University Press, 2013
Buku Teks
edited by Michael J. Crawley
Blackwell, 1992
Buku Teks