Samers, Michael, author
Routledge, 2017
Buku Teks
Oppong, Cristine
Geneva International Labour Office 1987,
Buku Teks
International Labour Office, 1985
Buku Teks
Cininta Aryadini, author
Universitas Indonesia, 2011
UI - Skripsi (Open)
Diaz Erlangga, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi (Membership)