China facts and figures 2010
Foreign languages Press, 2010
 Buku Teks
Moroney, M. J.
Facts from figures
Penguin Book, 1968
 Buku Teks SO
Austria facts and figures
Austrian Federal Chancellery, 1977
 Buku Teks SO
Talos, Emmerich
Facts and figures / Emmerich Talos
Federal Press Service, 2000
 Buku Teks SO
Talos, Emmerich
Autria : facts and figures
Federal Perss Service, 1991
 Buku Referensi