Hepler, Donald E., author
McGraw-Hill , 1977
Buku Teks
Hepler, Donald E., author
McGraw-Hill , 1982
Buku Teks
Dickerson, Reed, author
American Bar Foundation, 1965
Buku Teks
Jefri Nedy, author
Fakultas Teknik Universitas Indonesia, 2001
UI - Skripsi (Membership)
Ari Wahyudi
Fakultas Hukum UI, T.th
Buku Teks