Não informado. Mechanical Engineering Report. National Research Council, Division of Mechanical Engineering.
Citação do estilo Chicago (17ª ed.)Não informado. Mechanical Engineering Report. Ottawa: National Research Council, Division of Mechanical Engineering.
Citação MLA (8ª ed.)Não informado. Mechanical Engineering Report. National Research Council, Division of Mechanical Engineering.
Atenció: Aquestes cites poden no estar 100% correctes.