Não informado. (1977). NASA Conference Publication. National Aeronautics and Space Administration.
Style de citation Chicago (17e éd.)Não informado. NASA Conference Publication. Washington: National Aeronautics and Space Administration, 1977.
Style de citation MLA (8e éd.)Não informado. NASA Conference Publication. National Aeronautics and Space Administration, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.