Caidin, Martin
Rendezvous in space : the history of projects mercury, gemini, dyna-soar and apollo / Martin Caidin
E.P. Dutton & Co., 1962
 Buku Teks
An introduction to Vygotsky
edited by Harry Daniels
Routledge, 2005
 Buku Teks
Kozulin, Alex
Vygotsky`s psychology : a biography of ideas
Harvester Wheatsheaf, 1990
 Buku Teks
Thompson, June M.
Russia and the Soviet Union : an historical introduction
Westview Press, 1990
 Buku Teks
Walsh, Warren Bartlett
Russia and the Soviet Union : a modern history
The University of Michigan Press, 1958
 Buku Teks