Artikel Jurnal
Desy Ottyari Ratna Dibyaningrum, author
Fakultas Hukum Universitas Indonesia, 1999
UI - Skripsi Membership
Thoby Mutis, author
Grasindo, 1995
Buku Teks
Alex Soemadji Nitisemito, author
Ghalia Indonesia, 1994
Buku Teks
Hermawan Kartajaya, 1947-, author
Gramedia Pustaka Utama, 1998
Buku Teks