Gaya APA
Hawking, Stephen. (2018).
Brief answers to the big questions (BI) .
New York:
Bantam Books.
Gaya Chicago
Hawking, Stephen.
Brief answers to the big questions (BI).
New York:
Bantam Books,
2018.
Text.
Gaya MLA
Hawking, Stephen.
Brief answers to the big questions (BI).
New York:
Bantam Books,
2018.
Text.
Gaya Turabian
Hawking, Stephen.
Brief answers to the big questions (BI).
New York:
Bantam Books,
2018.
Print.