Browne, G.S.
Europe Africa world population
F.W. Chesire, 1960
 Buku Teks
The population of tropical Africa
edited by John C. Caldwell and Chukuka Okonjo
Longmans, Green, 1968
 Buku Teks SO
Religion, ethnicity and transnational migration between West Africa and Europe
edited by Stanislaw Grodz, Gina Gertrud Smith
Brill, 2014
 eBooks
Urbanization and migration in ASEAN development / edited by, Philip M. Hauser; Daniel B. Suits; Naohiro Ogawa
edited by Philip M. Hauser, Daniel B. Suits and Naohiro Ogawa
National Institute for Research Advancement, 1985
 Buku Teks
Population in urban development and the practical problem of urban planning policy in Africa
 Artikel Jurnal