Não informado. Mechanical Engineering Report. National Research Council, Division of Mechanical Engineering.
Chicago-referens (17:e uppl.)Não informado. Mechanical Engineering Report. Ottawa: National Research Council, Division of Mechanical Engineering.
MLA-referens (8:e uppl.)Não informado. Mechanical Engineering Report. National Research Council, Division of Mechanical Engineering.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.