Duggins, P. (2007). Final countdown: NASA and the end of space shuttle program. University Press of Florida.
シカゴスタイル引用形Duggins, Pat. Final Countdown: NASA and the End of Space Shuttle Program. Gainesville: University Press of Florida, 2007.
MLA引用形式Duggins, Pat. Final Countdown: NASA and the End of Space Shuttle Program. University Press of Florida, 2007.
警告: この引用は必ずしも正確ではありません.