Elby, Andrew
Prentice-Hall, 1996
Buku Teks
Walker, Jearl, 1945-
John Wiley & Sons, 1977
Buku Teks
Rees, W. G.
Cambridge University Press, 1994
eBooks
Heddle, Trevor
Pergamon Press, 1971
Buku Teks
Knight, Randall D.
Pearson Addison Wesley, 2008
Buku Teks