Simanjuntak, Emmy Pangaribuan, author
Universitas Gadjah Mada, 1989
Buku Teks
Abdulkadir Muhammad, author
Alumni, 1984
Buku Teks
Abdulkadir Muhammad, author
Citra Aditya Bakti, 1989
Buku Teks
Abdulkadir Muhammad, author
Citra Aditya Bakti, 1993
Buku Teks
Pusat Pengkajian Hukum, 1992
Buku Teks