Vance, Charles C.
Manager today, executive tomorrow
McGraw-Hill, 1974
 Buku Teks
Nasution, Abdul Haris, 1918-2000
Pancasila Democracy today and tomorrow
Seruling Masa, 1971
 Buku Teks
Severino, Rodolfo C., Jr.
Asean today and tomorrow
ASEAN Secretariat, 2002
 Buku Teks
Roosevelt, Eleanor
UN: today and tomorrow
Harper & Brothers, 1953
 Buku Teks
Legal institutions today and tomorrow
edited by Monrad G. Paulsen
Columbia University Press, 1959
 Buku Teks