Gaya APA
Hawking, Stephen. (2013).
My brief history .
New York:
Bantam Books.
Gaya Chicago
Hawking, Stephen.
My brief history.
New York:
Bantam Books,
2013.
Text.
Gaya MLA
Hawking, Stephen.
My brief history.
New York:
Bantam Books,
2013.
Text.
Gaya Turabian
Hawking, Stephen.
My brief history.
New York:
Bantam Books,
2013.
Print.