Hawking, S. (1993). Black holes and baby universes and other essays. Bantam Books.
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Chicago Style (17th ed.) Citation
Hawking, Stephen. Black Holes and Baby Universes and Other Essays. New York, N.Y.: Bantam Books, 1993.
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MLA引文
Hawking, Stephen. Black Holes and Baby Universes and Other Essays. Bantam Books, 1993.
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警告：這些引文格式不一定是100％准確.