Hawking, S. (1993). Black holes and baby universes and other essays. Bantam Books.
Chicago Edition CitationHawking, Stephen. Black Holes and Baby Universes and Other Essays. New York, N.Y.: Bantam Books, 1993.
Deismireacht MLAHawking, Stephen. Black Holes and Baby Universes and Other Essays. Bantam Books, 1993.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.