Cranston, Ross
Oxford University Press, 1987
Buku Teks
Glicksman, Robert L.
West Publishing Co., 1995
Buku Teks
Harte, J.D.C.
E & F.N. Spon , 1985
Buku Teks
Curtin, Daniel J.
Solano Press Books, 1993
Buku Teks
Sloan, Irving J.
Ocean Publications, 1988
Buku Teks