J.A. Lok
Kluwer, 1994
Buku Teks
Seeley, Ivor H. (Ivor Hugh)
Macmillan, 1992
Buku Teks
The National Council on Public Works Improvement , 1988
Buku Teks
Julia Nurrachmi, author
Fakultas Hukum Universitas Indonesia, 1998
UI - Skripsi Membership
Julia Nurrachmi, author
Fakultas Hukum Universitas Indonesia, 1998
UI - Skripsi Membership