Byers, Michael, author
Cambridge University Press, 2013
Buku Teks
editor, Susanne Wasum-Rainer, Ingo Winkelmann, Katrin Tiroch
Springer, 2012
eBooks
Dita Liliansa, author
2014
UI - Skripsi (Membership)
Pharand, Donat, author
Martinus Nijhoff, 1984
Buku Teks
Hamilton, R.A., author
Pinguin Books, 1958
Buku Teks