edited and introduced by Andrew Shonfield and Stella Shaw
Heinemann Educational Books, 1972
Buku Teks
Journal of Population, 13 (1) 2007 : 143-164, 2007
Artikel Jurnal
Lediana Safira, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)
edited by Peter Dwyer, Sandra M I Shaw
Sage, 2013
Buku Teks
Cambridge University Press, 2018
Majalah, Jurnal, Buletin