Dhisa Tania Priyadi, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Skripsi (Membership)
Hovenkamp, Herbert, author
West Publishing, 1993
Buku Teks
Clarkson, Kenneth W.
McGraw-Hill , 1982
Buku Teks
Waldman, Don E., author
Pearson, 2007
Buku Teks
Koch, James V., author
Prentice-Hall, 1980
Buku Teks