John Redmon
Blackwell Science, 1999
Buku Teks
Jackson, David, author
LLoyd's of London Press, 1987
Buku Teks
Tyler G. Hicks, editor ; S. David Hicks, coordinating editor
McGraw-Hill , 2007
Buku Referensi
Williams, Alan, author
Kaplan Education, 2005
Buku Teks
Ettouney, Mohammed M., author
CRC Pres, 2012
Buku Teks