Howard, Colin
Law Book, 1987
Buku Teks
Siregar, Paramita Sondang D.A.
Universitas Indonesia, 2018
UI - Tesis (Membership)
Nandira Nurul Zafira
Universitas Indonesia, 2015
UI - Skripsi (Membership)
CCH Australia Limited, 1980
Buku Teks
Kluwer Law and Taxation Publlishers, 1985
Buku Teks