editor, John G. Webster
CRC Press, 1999
Buku Referensi
Buchla, David M., author
Merril, 1992
Buku Teks
Carr, Joseph J., author
Reston, 1979
Buku Teks
edited by Stephen A. Dyer
John Wiley & Sons, 2001
Buku Referensi
Morris, Alan S., author
Elsevier, 2006
Buku Teks