Russel Sage Foundation, 2000
Buku Teks
Darren P Smith, Nissa Finney, Keith Halfacree
Routledge, 2016
Buku Teks SO
Irena Omelaniuk
Springer, 2012
eBooks
Zulfikar Ghazali
Yayasan Pustaka Obor Indonesia, 2015
Buku Teks SO
edited by Reginald T. Appleyard
University of Western Australia, Centre for Migration and Development Studies, 1988
Buku Teks SO