Blackie Academic and Professional, 1995
Buku Teks
Miller, James N., author
Pearson Prentice Hall, 2005
Buku Teks
Brooks/Cole, 1999
Buku Teks
Meier, Peter C.
John Wiley & Sons, 1993
Buku Teks
prepared for publication by H.M.N. H. Irving, H. Freiser, T. S. West
Pergamon Press, 1978
Buku Teks