Gaya APA
sagan, C.
(2018).
THE DEMON -HAUNTED WORLD
(
1)
.
JAKARTA:
KEPUSTAKAAN POPULER GRAMEDIA.
Gaya MLA
sagan, Carl.
"THE DEMON -HAUNTED WORLD".
1
JAKARTA:
KEPUSTAKAAN POPULER GRAMEDIA,
2018.
Text.