Jones, Maldwyn Allen
University of Chicago Press , 1960
Buku Teks
Handlin, Oscar, author
An Atlantic Monthly Press Book, 1973
Buku Teks
Facts on file, 1981
Buku Teks
Daan, Jo
De Walburg Pers, 1987
Buku Teks
Kibria, Nazli, author
Polity Press, 2014
Buku Teks