Sayer, R. Andrew, author
Blackwell, 1995
Buku Teks
Marx, Karl, 1818-1883, author
Foreign Languages , 1959
Buku Klasik
edited by Lionel Bently, Jennifer Davis and Jane C. Ginsburg
Cambridge University Press, 2010
Buku Teks
Amalia Mabrina, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Makalah dan Kertas Kerja
Gill, S. S., author
Rupa, 2004
Buku Teks