Gaya APA
Hawking. (2014).
My brief history .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Hawking.
My brief history.
Jakarta:
Gramedia Pustaka Utama,
2014.
Text.
Gaya MLA
Hawking.
My brief history.
Jakarta:
Gramedia Pustaka Utama,
2014.
Text.
Gaya Turabian
Hawking.
My brief history.
Jakarta:
Gramedia Pustaka Utama,
2014.
Print.