Gaya APA
Grimnamu, .
(2012).
WHY? PEOPLE : STEPHEN HAWKING
(
Cet. 1)
.
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Grimnamu, .
"WHY? PEOPLE : STEPHEN HAWKING".
Cet. 1
Jakarta:
PT Elex Media Komputindo,
2012.
Text.