Penrose, R. (2010). Cycles of time: An extraordinary new view of the universe. Vintage Books.
シカゴスタイル引用形Penrose, Roger. Cycles of Time: An Extraordinary New View of the Universe. London: Vintage Books, 2010.
MLA引用形式Penrose, Roger. Cycles of Time: An Extraordinary New View of the Universe. Vintage Books, 2010.
警告: この引用は必ずしも正確ではありません.