Clough, Ray W., 1920-
McGraw-Hill, 1993
Buku Teks
Warburton, G.B. [Geoffrey Barratt], 1924-
Pergamon Press, 1976
Buku Teks SO
Jeary, Alan
E & FN Spon, 1997
Buku Referensi
Rossow, Edwin C.
Prentice-Hall, 1996
Buku Teks SO
Chopra, Anil K.
Prentice-Hall, 1995
Buku Teks SO