Emmot, Bill, author
Allen Lane, 2003
Buku Teks
Spencer, Frank, author
Pan Books, 1967
Buku Teks
Watt, D.C., author
Pan Books, 1967
Buku Teks
Tanzi, Vito, author
Cambridge University Press, 2000
Buku Teks
Dian Kurnia Hayati, author
2018
UI - Skripsi (Membership)