The Southwestern Legal Foundation
Matthew Bender, 1975
Buku Teks
Gould, William B., IV
MIT Press, 1982
Buku Teks
Clarendon Press, 1994
Buku Teks
Jakarta : Yayasan Pendidikan Internal Audit (YPIA), 2004,
Majalah, Jurnal, Buletin
Tokyo Shipping and Trade News 1983,
Buku Teks