Gaya APA
Sagan, Carl. (2016).
Kosmos .
Jakarta:
Kepustakaan Populer Gramedia.
Gaya Chicago
Sagan, Carl.
Kosmos.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Non-fiction.
Gaya MLA
Sagan, Carl.
Kosmos.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Non-fiction.
Gaya Turabian
Sagan, Carl.
Kosmos.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Non-fiction.