Maideus, Melinda
Facts on File, 1981
Buku Teks
Hirota, Hidetaka
Oxford University Press, 2017
eBooks
Kibria, Nazli
Polity Press, 2014
Buku Teks SO
edited by Robert W. Tucker, Charles B. Keely and Linda Wrigley
Westview Press, 1992
Buku Teks SO
Russel Sage Foundation, 2000
Buku Teks