editors, Olen Gunnlaugson, Charles Baron, Mario Cayer
Igi Global, 2014
Buku Teks
Setyorini Rahayu, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)
Palmer, Ian R., author
McGraw-Hill, 2006
Buku Teks
Delly Mawarni Gumay, author
2018
UI - Skripsi (Membership)
Spector, Bert, author
Pearson, 2013
Buku Teks