Artikel Jurnal
Barlow, Patricia, author
Kluwer Law & Taxation, 1988
Buku Teks
Norton, Thomas James, author
America`s Future, 1946
Buku Teks
Ariyo S.P. Bimmo, author
Universitas Indonesia, 1997
UI - Skripsi Membership
Hyde, Charles Cheney, 1873-1952, author
Little, Brown, 1947, 1951
Buku Teks