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