Miles, Kate, author
Cambridge University Press, 2015
Buku Teks
Vadi,Valintina, author
Cambridge Univ. Press, 2014
Buku Teks
Jeffry Andrea Suryatin, author
2014
UI - Skripsi (Membership)
Andhika Pratama Akbar, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Skripsi (Membership)
Llamzon, Aloysius P., author
Oxford University press, 2014
Buku Teks