Lyall, Francis, author
Routledge, 2018
Buku Teks
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-, author
Wolters Kluwer, 2008
Buku Teks
Buchheim, Robert W., author
Random House, 1959
Buku Referensi
Gorove, Stephen, author
Martinus Nijhoff , 1991
Buku Teks
Wassenbergh, Henri A., author
Martinus Nijhoff, 1991
Buku Teks