Buchheim, Robert W.
Random House, 1959
Buku Referensi
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-
Wolters Kluwer, 2008
Buku Teks SO
Lyall, Francis
Routledge, 2018
Buku Teks SO
edited by Tanja L. Zwaan
[publisher not identified], 1988
Buku Teks SO
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-
Kluwer Law International, 1993
Buku Teks SO