Não informado. (1950). Astronautics Information Literature Search. Jet Propulsion Laboratory, California Institute of Technology.
Citação do estilo Chicago (17ª ed.)Não informado. Astronautics Information Literature Search. Pasadena, Calif: Jet Propulsion Laboratory, California Institute of Technology, 1950.
Citação MLA (8ª ed.)Não informado. Astronautics Information Literature Search. Jet Propulsion Laboratory, California Institute of Technology, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.