Ader, Emile B.
New York Barron's Educational Series 1970,
Buku Teks
Ader, Emile B.
Barron's Educational , 1970
Buku Teks
Schwarz, Daniel R., author
Wiley Blackwell, 2014
Buku Teks
Allegre, Claude, author
Belin : [Radio-France], 1987
Buku Teks
Hafizah Hasan, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Tesis (Membership)