Aronson, Mark
Law Book Company, 1987
Buku Teks
Simatupang, Dian Puji Nugraha
University of Indonesia, Faculty of Law, 2011
Artikel Jurnal
Sitorus, Lily Evelina
Faculty of Law University of Indonesia, 2016
Artikel Jurnal
De Smith, S.A. (Stanley A.)
Stevens & Sons Limited, 1980
Buku Teks
Sathe, SP
Lexis Nexis, 2009
Buku Teks