Jefferson, Michael
Cavendish Publishing , 1994
Buku Teks
Silvania Adriani Rusdianto, author
Fakultas Hukum Universitas Indonesia, 2018
UI - Skripsi (Membership)
Ghina Raniah Putri, author
2017
UI - Skripsi (Membership)
Christoper, Tom, author
Free Press, 1982
Buku Teks
Simanjuntak, Sondang Irene, author
2017
UI - Skripsi (Membership)