Maidina Rahmawati
2016
UI - Skripsi Membership
Rook, Judge Peter
Peter Rook and Robert Ward, 2010
Buku Teks
Hickey, Eric W.
Pearson - Prentice Hall, 2006
Buku Teks
Irwin Amarullah Gumelar
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Skripsi Membership
Fortune, Marie M.
[Publisher not identified], [Date of publication not identified]
Buku Teks