Padang Wicaksono
Lembaga Demografi, 2016
UI - Laporan Penelitian
Harahap, Indarti Primora Barlianta
1994
UI - Tesis (Membership)
Fransman, Martin
Cambridge University Press, 1991
Buku Teks
Budhi Tjahjono Yuwono
Universitas Indonesia, 1990
UI - Tesis (Membership)
Universitas Indonesia, 2006
UI - Tugas Akhir