Gaya APA
Hawking, S.
(2013).
A BRIEF HISTORY OF TIME
(
Cetakan Ketujuh)
.
My Library:
PT. Gramedia Pustaka Utama.
Gaya MLA
Hawking, Stephen.
"A BRIEF HISTORY OF TIME".
Cetakan Ketujuh
My Library:
PT. Gramedia Pustaka Utama,
2013.
Teks.