Lubis, Todung Mulya, author
Gramedia Pustaka Utama, 2009
Buku Teks
Lubis, Todung Mulya, author
Kompas, 2007.
Buku Teks
Agus Dwinanto, author
Fakultas Hukum Universitas Indonesia, [2009;2009, 2009]
UI - Skripsi (Open)
Mohammad Hatta, 1902-1980, author
Yayasan Idayu, 1981
Buku Teks
Nasution, Abdul Haris, 1918-2000, author
Mizan , 1997
Buku Teks