Hawking, S. (2018). Brief answers to the big questions. John Murray.
Chicagoスタイル(17版)引用形式Hawking, Stephen. Brief Answers to the Big Questions. London: John Murray, 2018.
MLA(9版)引用形式Hawking, Stephen. Brief Answers to the Big Questions. John Murray, 2018.
警告: この引用は必ずしも正確ではありません.