Martinus Herwiratno
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1996
UI - Skripsi Membership
Engels, Friedrich, 1820-1895
Fereign Languages Publishing House, 1954
Buku Teks
Horkheimer, Max
IRCiSoD, 2002
Buku Teks SO
Huang, Jinxing
Yunchen Wen Hua Shiye Gufen Youxian Gongsi, 1992
Buku Teks
Bookchin, Murray
Black Rose Books, 1990
Buku Teks