Ivamy, E.R. Hardy
Butterworth, 1980
Buku Teks
Goodacre, J. Kenneth, author
Witherby, 1981
Buku Teks
Mullins, Hugh A.
Cornell maritime Press, 1959
Buku Teks
Mustill, Michael J., Sir, author
Stevens & Sons, 1981
Buku Teks
Rodda, William H.
Prentice-Hall, 1955
Buku Teks