Mustill, Michael J., Sir, author
Steven & Sons, 1981
Buku Teks
Taylor, D.A., author
Butterworth, 1983
Buku Teks
Taylor, D.A., author
Elsevier, 2005
Buku Teks
McGeorge, H.D.,
Elsevier , 1995
Buku Teks
Nybakken, James W. (James Willard), author
Benjamin Cummings, 2001
Buku Teks