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
editor, John G. Webster
CRC Press, 1999
Buku Referensi