Burgess, 1976
Buku Teks
Catena Verlag, 1993
Buku Teks
Gilpin, Alan, author
Cambridge University Press, 1996
Buku Teks
Barbara Carroll and Trevor Turpin ; with Adam Boyden, Alison Carroll, and Ruth Thomas
Thomas Telford, 2009
Buku Teks
Dipippo, Ronald, author
Butterworth-Heinemann, 2012
Buku Teks