Inglehart, Ronald, author
Cambridge University Press, 2018
Buku Teks
Bryjak, George J
Allyn and Bacon, 1994
Buku Teks
Giddens, Anthony, author
Profile , 2002
Buku Teks
Hazelkorn, Ellen, author
Palgrave Macmilan, 2011
Buku Teks
Naisbitt, John, author
Simon & Schuster, 1996
Buku Teks