Buku Teks
Lipski, Elizabeth
McGraw-Hill, 2012
Buku Teks
Segal, Inna
Atria Paperback, 2010
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Referensi
Sandi Wahyudi
Fakultas Hukum Universitas Indonesia, 2011
UI - Tesis Open