Aging in today`s society
edited by Clark Tibbitts and Wilma Donahue
Prentice-Hall, 1960
Buku Teks
Singh, Robert
American Politics and Society Today
Polity Press, 2002
Buku Teks
Five years that shook the world
Westview Press, 1991
Buku Teks
Five years that shook the world
Buku Teks
Five years that shook the world
Buku Teks