Hawking,Stephen, & Penrose,Roger. (1999). The Nature of Space and Time. OUP.
シカゴスタイル引用形Hawking,Stephen, , Penrose,Roger. The Nature of Space and Time. Delhi: OUP, 1999.
MLA引用形式Hawking,Stephen, , Penrose,Roger. The Nature of Space and Time. OUP, 1999.
警告: この引用は必ずしも正確ではありません.