Shah, Prakash Amritlal
Cavendish Publishing Limited, 2000
Buku Teks
Lambert, Helene
Martinus Nijhoff Publishers, 1996
Buku Teks
Angky Banggaditya, author
2017
UI - Skripsi (Membership)
Greenstreet, Bob
Rud Educational and Professional Publishing , 1996
Buku Teks
Hoeksma, J.A., author
Ars Aequi Libri, 1990
Buku Teks