Thomas Skinner Directories, 1986
Buku Referensi
[publisher not identified], [date of publication not identified]
Buku Klasik
[publisher not identified], [date of publication not identified]
Buku Klasik
Ingki Rinaldi
2016
UI - Tesis (Membership)
SamsuI Muarif
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2003
UI - Tesis (Membership)