Fernandes, Rui M.
Carswell, 1995
Buku Teks SO
Maraist, Frank L.
West Publishing, 1996
Buku Teks SO
Singh, Nagendra Kumar
Stevens and Sons, 1983
Buku Teks
the Jefferson Law Book Company, Divison of Anderson Publishing Company, 2018
Majalah, Jurnal, Buletin
edited by Lennart Hagberg
Kluwer Law & Taxation , 1983
Buku Teks SO