Não informado. (1930). NACA Technical Memorandum. U.S. National Advisory Committee for Aeronautics.
Chicago-referens (17:e uppl.)Não informado. NACA Technical Memorandum. Washington: U.S. National Advisory Committee for Aeronautics, 1930.
MLA-referens (8:e uppl.)Não informado. NACA Technical Memorandum. U.S. National Advisory Committee for Aeronautics, 1930.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.