Panjaitan, Hulman, author
Indo Hill Co, 2007
Buku Teks
Sihombing, Bernike, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Universitas Indonesia, 2003
UI - Skripsi (Membership)
Haris Subesar, author
Fakultas Hukum Universitas Indonesia, 2011
UI - Tesis (Open)
Panjaitan, Hulman, author
Ind-Hill, 2008
Buku Teks