M. Hawin
Gadjah Mada University Press, 2010
Buku Teks
Aditya Harin Nugroho
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi Membership
Eastaway, Nigel
Sweet & Maxwell, 2008
Buku Teks
Caenegem, William van
Bond University Law School, 1994
Buku Teks
by John T. Cross [and others]
Thomson/West, 2010
Buku Teks