Gaya APA
Hawking, Stephen. (1993).
Black Holes and Baby Universes and Other Essays (1).
United States of America:
simultaneously in the United States and Canada.
Gaya Chicago
Hawking, Stephen.
Black Holes and Baby Universes and Other Essays.
1
United States of America:
simultaneously in the United States and Canada,
1993.
Text.
Gaya MLA
Hawking, Stephen.
Black Holes and Baby Universes and Other Essays.
1
United States of America:
simultaneously in the United States and Canada,
1993.
Text.
Gaya Turabian
Hawking, Stephen.
Black Holes and Baby Universes and Other Essays.
1
United States of America:
simultaneously in the United States and Canada,
1993.
Print.