Kibria, Nazli, author
Polity Press, 2014
Buku Teks
Handlin, Oscar, author
Dounleday Anchor, 1957
Buku Teks
Low, Alfred D., author
Bookman Associateds, 1958
Buku Teks
Supperstone, Michael, author
Longman, 1994
Buku Teks
Warr, George, author
Sweet & Maxwell, 1994
Buku Teks