Não informado. (1977). NASA Conference Publication. National Aeronautics and Space Administration.
Chicagoスタイル(17版)引用形式Não informado. NASA Conference Publication. Washington: National Aeronautics and Space Administration, 1977.
MLA(8版)引用形式Não informado. NASA Conference Publication. National Aeronautics and Space Administration, 1977.
警告: この引用は必ずしも正確ではありません.