Vries-Leemans, M.H.J.H
Gouda Quint, , 1995.
Buku Teks
edited by David Garland and Richard Sparks
Oxford University Press, 2000
Buku Teks
Bonger, Willem Adriaan, 1876-1940, author
De Arbeiderspers, 1950
Buku Teks
Samosir, Indra Cipta Putra, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2023
UI - Tugas Akhir
Mccoy, Alfred W., author
Harper and Row, 1980
Buku Teks