Não informado. (1963). NASA Contractor Report. National Aeronautics and Space Administration.
Chicago-viite (17. p.)Não informado. NASA Contractor Report. Washington: National Aeronautics and Space Administration, 1963.
MLA-viite (8. p.)Não informado. NASA Contractor Report. National Aeronautics and Space Administration, 1963.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.