Samosir, Minar, author
Universitas Indonesia, 1998
UI - Skripsi (Membership)
Reijnen, Gijsbertha Cornelia Maria
Martinus Nijhoff, 1989
Buku Teks
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-, author
Kluwer Law International, 2008
Buku Teks
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-, author
Wolters Kluwer, 2008
Buku Teks