Koh, Soon Kwang, Peter
Longmans, 1989
Buku Teks
Sianipar, J. T., author
Asuransi Jasa Indonesia , 1963
Buku Teks
Kaihatu, J.E., author
Djambatan, 1970
Buku Klasik
Goodacre, J. Kenneth, author
Witherby, 1981
Buku Teks
Mullins, Hugh A.
Cornell maritime Press, 1959
Buku Teks