Martin lambert, Michael Leonard, Andrew Metcalfe
Taylor and Francis, 2009
Buku Teks
Shearer, J. Lowen
Prentice-Hall, 1997
Buku Teks
Basmadjian, Diran
Chapman & Hall/CRC , 2007
Buku Teks
Springer Cham, 2019
eBooks
Carmichael, D.G.
Ellis Horwood, 1981
Buku Teks