Hawking, S. (1994). Black Holes And Baby Universes And Other Essays. Bantam Books.
芝加哥风格引文Hawking, Stephen. Black Holes And Baby Universes And Other Essays. London: Bantam Books, 1994.
MLA引文Hawking, Stephen. Black Holes And Baby Universes And Other Essays. Bantam Books, 1994.
警告：这些引文格式不一定是100％准确.