edited by I.G. Blyumin
Foreign Languages Publishing House, 1964
Buku Teks SO
edited by Daniel Bell and Irving Kristol
Basic Books, 1971
Buku Teks SO
Varga, Eugen, 1879-1964
Foreign Languages Publishing House, 1961
Buku Teks SO
Redwood, John
Pustaka Utama Grafiti, 1990
Buku Teks SO
Ardiansyah Putra Nugraha
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2013
UI - Skripsi Membership