Naugle, J. E. (1991). First among equals: The selection of NASA space science experiments. National Aeronautics and Space Administration (NASA).
芝加哥风格引文Naugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. Washington, DC: National Aeronautics and Space Administration (NASA), 1991.
MLA引文Naugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. National Aeronautics and Space Administration (NASA), 1991.
警告：这些引文格式不一定是100％准确.