edited by Barbara J. Fick
Edward Elgar Publishing, 2015
Buku Teks
editorial board, Benjamin Aaron, Thilo Ramm, Tore Sigeman, Jean -Maurice, Werdier
Martinus Nijhoff Publishers, 1992
Buku Referensi
International Labour Office, 2017
Majalah, Jurnal, Buletin
Artikel Jurnal
Blaipain, Roger, author
Kluwer Law International, 2008
Buku Teks