Sayer, R. Andrew, author
Blackwell, 1995
Buku Teks
Sherman, Howard J., author
Basic Books, 1972
Buku Teks
Marx, Karl, 1818-1883, author
Foreign Languages , 1959
Buku Klasik
Indriani Dwilestari, author
2019
UI - Makalah dan Kertas Kerja
Devi Nathania, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)