Bogaerts, Els
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2016
Artikel Jurnal
edited by Mustafa F. Ozbilgin, Jean-Francois Chanlat
Emerald, 2017
eBooks
Machiavelli, Niccolo
Everyman's Library, 1992
Buku Teks SO
Machiavelli, Niccolo
J.M. Dent & Sons, 1952
Buku Teks SO
Thorne, Matt
Faber and Faber, 2013
Buku Teks SO