Gaya APA
Sagan, Carl. (1997).
Kosmos / Carl Sagan .
:
Jakarta : Yayasan Obor Indonesia.
Gaya Chicago
Sagan, Carl.
Kosmos / Carl Sagan.
:
Jakarta : Yayasan Obor Indonesia,
1997.
Buku.
Gaya MLA
Sagan, Carl.
Kosmos / Carl Sagan.
:
Jakarta : Yayasan Obor Indonesia,
1997.
Buku.
Gaya Turabian
Sagan, Carl.
Kosmos / Carl Sagan.
:
Jakarta : Yayasan Obor Indonesia,
1997.
Buku.