Naugle, J. E. (1991). First among equals: The selection of NASA space science experiments. National Aeronautics and Space Administration (NASA).
Dyfyniad Arddull ChicagoNaugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. Washington, DC: National Aeronautics and Space Administration (NASA), 1991.
Dyfyniad MLANaugle, John E. First Among Equals: The Selection of NASA Space Science Experiments. National Aeronautics and Space Administration (NASA), 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.