Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks SO
Kiikeri, Markku
Kluwer Academic Publishers, 2001
Buku Teks
Lipshaw, Jeffrey
Routledge, 2017
Buku Teks SO
Nedzel, Nadia E.
Wolters Kluwer Law Business, 2008
Buku Teks SO
Johnson, Conrad D.
Cambridge University Press, 1991
Buku Teks SO