Oborne, David J.
John Wiley & Sons, 1995
Buku Teks
Bridger, R.S.
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Bridger, R.S.
Taylor and Francis, 2003
Buku Teks
Bridger, R.S.
McGraw-Hill, 1995
Buku Teks
edited by Philip D. Bust
Taylor and Francis, 2007
Buku Teks